Med Mycol 2010;48:406409. When to Call Your Healthcare Provider, Some of the COVID-19 vaccine reactions are the same as the symptoms for a COVID-19 infection. The New York Times interviewed several dozen of the newly vaccinated in the days afterward. 2022. I do worry is it going to encourage someone to have second thoughts? said Dr. Matthew Harris, 38, an emergency medicine doctor in Great Neck, N.Y. Dr. Harris was up all night with a fever, shivering underneath a blanket, after receiving the first shot. All Rights Reserved. A runny nose may be more common with omicron than previous variants such as delta, Nori says. Especially if you've been vaccinated, the symptoms of a cold, the flu, and COVID-19 can be very similar. The goal is to increase the fluid to put in to the mucous to thin it out and allow it to drain more easily, Kaplan said. 2022 Jan-Feb;43(1):103220. doi: 10.1016/j.amjoto.2021.103220. One night in June 2022, Nina Rayburn Dec started feeling sniffly and congested. Two telltale symptoms may suggest a need for repeat testing . Fatigue. Laryngoscope Investig Otolaryngol. navigator.sendBeacon('https://www.google-analytics.com/collect', payload); A new study reported in JAMA Pediatrics has found that mothers who receive pertussis or whooping cough vaccine during their pregnancy give birth to, The Biden administration has announced that it will end the COVID-19 pandemic state of emergency on May 11. Express. "There are two types of reactions," says the Mayo Clinic: 3 IDCases. If your post-nasal drip hasnt improved within 10 days of your cold, see a doctor. You can alleviate most side effects through simple measures at home. We strive to only recommend products that adhere to our philosophy of eating better while still enjoying what you eat. The most important thing is to give your body what it needs as it recovers from fighting the infection, Kaplan said. Finally, anyone who is sick from COVID-19 even if it just feels like a case of the sniffles should be sure to isolate at home and mask up! Here's how to spot them. After a seemingly two-year lull, non-COVID respiratory viruses are making a comeback. document.addEventListener( 'DOMContentLoaded', function() { Dokania V, Gaikwad NS, Gite V, Mhashal S, Shetty N, Shinde P, Balakrishnan A. Ann Otol Rhinol Laryngol. Thats how the body develops antibodies to the virus, Jain said. I cant believe I messed up ramen, she told her husband that night. They plan to proceed to a Phase 1 clinical trial testing the vaccine as a nasal spray in volunteers. However, Covid could stir up a different problem in your nose, even if youve had your vaccines. Children may be eligible if they are 12 or over and weigh at least 88 pounds. HHS Vulnerability Disclosure, Help Nonallergic rhinitis can be disruptive. Did Lockdowns and Masking Lead to Immunity Debt? People who are refusing to get a COVID-19 vaccine could potentially be prolonging the pandemic by contributing to spikes in cases and giving the virus, Early reports find that the flu vaccine was 54% effective for adults under the age of 65 and 71% effective at providing protection for children and. It is not related to Long COVID since Ive had it a long time. 1998-2023 Mayo Foundation for Medical Education and Research. COVID associated mucormycosis: A preliminary study from a dedicated COVID Hospital in Delhi. I too am on Symbicort, which is a combo of budesonide and formoterol. Post Vaccine Side Effect Information Dose #2 of Moderna Vaccine Side effects from the second dose of the Moderna Vaccine may be more noticeable, and felt more severely, than the first dose. But for infectious-disease experts, a nation down for the count with post-vaccine malaise would be the best news in a long time. We actually always have some mucus draining down the back of our throat, but the mucus produced during a cold is much thicker and stickier. I have been given steroid inhalers, albuterol, allergy medication, but none of these work. Nasal saline spray and nasal irrigation tools (like a neti pot) can help clear out some of the phlegm, too. Bethesda, MD 20894, Web Policies Meher R, Wadhwa V, Kumar V, Shisha Phanbuh D, Sharma R, Singh I, Rathore PK, Goel R, Arora R, Garg S, Kumar S, Kumar J, Agarwal M, Singh M, Khurana N, Sagar T, Manchanda V, Saxena S. Am J Otolaryngol. Results of the U.K.-based Zoe COVID Symptoms Study, published in December 2021 in the BMJ, showed that runny nose is among the top five symptoms reported for omicron infection, along with headache, mild or severe fatigue, sneezing, and sore throat. You can treat them at home. Sinus congestion, runny nose and sore throat are symptoms of becoming infected with the delta variant. Making sure to keep yourself well hydrated, get plenty of sleep, and ensure good nutrition is key.. A Covid vaccine is free, but bring your insurance card if you have one. I thought I was recovering but still have a runny nose. Other (loss of smell, shortness of breath, fever, persistent cough) These are the COVID-19 symptoms you'll feel if you get coronavirus after you're vaccinated. Whereas the others either had a hematological disorder, a cardiovascular disease, or were on anti-coagulant (blood . Summary. Mony urges parents to vaccinate children age 6 months and up, and to make sure kids who are 5 and older are both vaccinated and boosted (if eligible). Its also important to remember that there are multiple other viruses that are circulating right now, so its possible that your child may not actually have COVID, but could have another virus, she says. (B) T1weighted axial MRI showing right orbital invasion with proptosis. Everyone has read, This is the light at the end of the tunnel, Dr. Harris said in an interview. "yes, that's when it happens to me too, always after i eat or drink anything, i", "Yes, I have this. ", RELATED: Most COVID Patients Did This Before Getting Sick, 8 Allergies? A coordinator will follow up to see if Mayo Clinic is right for you. They are authorized for emergency use only. The COVID-19 pandemic was unprecedented. this stuff flushes out my sinus cavities so i can breath.. but i still can't figure out why the phlegm/mucus keeps buildingi have alot of other symptoms to that come and go alot but if i could pick just one to go awayit would be the thick yuck in my throat!!! government site. "You get vaccines to help prevent you from getting illnesses. A recent pre-print study (not peer-reviewed) posted on the site medRxiv examined data from over 63,000 people who visited a walk-up COVID-19 community testing site in San Francisco over a one-year period. Covid is driving up cases once again, with Omicron BA.5 stirring the wheel. I have also noticed people complaining about GERD after Covid. -, Kim DW, Heo ST, Jeon SY, et al. Allergies, however, rarely cause fever, chills, muscle pain, fatigue, or nausea like COVID-19 or a COVID-19 vaccine can. COVID-19 can hurt. (A) Necrosis involves cheek area. Man rapidly declines from B12 deficiency after foot symptoms appear, See the latest Covid vaccine stats below and, Cephalgia is top Covid symptom in double vaccinated, Your nose can be also hit by rhinorrhoea - another common Covid symptom seen in those with their jab, Covid can increase risk of Alzheimer's by 80% 'within a year', Tim Spector shares the 'predominant' Covid symptom is sore throat, Covid: Tinnitus and hearing loss could be a sign of an infection, Mouthwash could 'kill' the virus that causes Covid - study, Ageusia and anosmia can help to tell Covid and flu apart, Tim Spector shares pharyngitis is 'top' Covid symptom, Acholic stools are 'the most common' sign of pancreatic cancer, 95% of heart attack survivors report two symptoms 1 month prior, visit InYourArea for all the Covid vaccine latest, The most common side effects of Covid booster and how to ease them, Rhinorrhoea is top Covid symptom in double jabbed. Important radiological findings and variations found in post COVID19 AIFR cases. The same study said fully vaccinated people who are . Emergence of Invasive Fungal Rhinosinusitis in Recently Recovered COVID-19 Patients. Accessibility -, Zhou P, Yang XL, Wang XG, et al. No. If youre concerned, you can get a nasal swab (COVID-19 test) to determine whether you have COVID-19 or not.. Prospective longitudinal study included patients diagnosed with acute invasive fungal rhinosinusitis after a recent COVID-19 infection. The best way for anyone to find out whether or not a runny nose or nasal congestion is a symptom of COVID-19 is to get tested, especially if theyve had close contact with someone who is infected. Nasal vaccines are also designed to induce antibody production, but in the mucosal tissue the inner lining of the nose, throat and mouth, where the virus typically enters the body. advice every day. Occurrence of invasive pulmonary fungal infections in patients with severe COVID19 admitted to the ICU. to take them. Ugh!!! How to Take Care of Someone With COVID-19 and Not Get Sick Too, 9 Exercise Dilemmas: When to Skip Your Workout, and When to Sweat It Out, How to Relieve COVID-19 Muscle Aches and Pains, FDA Panel Votes to Make All COVID-19 Shots Bivalent. Taking acetaminophen (Tylenol) after your vaccination can help reduce symptoms like fever and aches. Now I feel pretty much 100 percent better, but when I have . Ever since I had covid in January of 2022 I recovered from the virus but I was left with a constant phlegm in the back of my throat and post nasal drip that will not go away. "The first . Allergic Reactions are Unlikely But Possible. All Rights Reserved. (B) Large skin necrotic area over cheek, lateral nasal wall and eye with edematous inflammatory changes. This is because your body produces a lot of extra mucus to flush the cold virus out of your system, Thompson said. National Library of Medicine No. Persistent urticaria Some patients develop urticaria and angioedema after receiving a COVID-19 mRNA vaccine or booster, and the outbreaks continue to occur. If you have symptoms, this document will help you distinguish between expected vaccine side effects, and signs and symptoms that may indicate COVID-19 (or "The nasal steroids seem to keep those serious symptoms away, and people are more likely to have asymptomatic or very mildly symptomatic COVID disease if they have been on long-term generic . Online ahead of print. Wash the mask after each use because it may have pollen on it. Taking over-the-counter decongestants for more than three days can actually worsen your symptoms. By subscribing you agree to the Terms of Use and Privacy Policy. . If you have a history of allergies, tell your care team about your allergies. "Signs of an allergic reaction include the following when they happen within four hours after your first vaccine dose," says the Mayo Clinic: 5 The only persistent COVID-19 . . I tested positive. However, given that symptoms of COVID-19 also affect your nose and. The declaration of an emergency opens up a. The vaccines each work by prompting the body to make a particular protein that the coronavirus uses to enter human cells; neither exposes the recipient to the virus itself. Left untreated, postnasal drip can collect germs and turn into a sinus infection, so youll want to have it checked out. These are not reactions to the vaccine." 6 When to Seek Emergency Care Shutterstock Visit our coronavirus hub and follow our live updates page for the most recent information on the COVID-19 pandemic. Part of HuffPost Wellness. So if youre sick, Bruce Willis Has a Rare Form of Dementia, Family Announces, Potential Male Birth Control Pill Shows Promise in Early Lab Tests. Taking a steam shower or using a humidifier can thin your mucus, reduce inflammation and open up your sinuses. However, Jain noted that some people have an allergic reaction to the COVID-19 vaccine that can have symptoms resembling allergies, such as itchiness and hives. It had been an especially emotional moment for him, nine months to the day after he was hospitalized with a severe case of Covid-19 and did not know whether he would survive to see his wife and two young children again. You wake up in the morning with a cough, a headache, and fatigue. Pfizer, the company that makes the one she received, reported that some 13 percent of recipients aged 18 to 55 had a bad headache after the first dose. And that lingering congestion can feel like it goes on forever. If thats similar to what you typically get during spring, its probably just your allergies.. Our experts continually monitor the health and wellness space, and we update our articles when new information becomes available. Nasal congestion, or blocked nose, is triggered by blood vessels in your nose becoming swollen with excess fluid, the Mayo Clinic explains. At the Sundale Nursing Home in Morgantown, W.Va., Betty Shannon, 81, said some fellow residents had an upset stomach after becoming some of the nations first seniors to receive a Covid-19 vaccine. Home of the Daily and Sunday Express. 2023 BuzzFeed, Inc. All rights reserved. } But are people going to feel great 100 percent of the time after this vaccine? Surgical treatment was restricted to patients with PCR negative results for COVID-19. "Most reactions happen within the first few days. It takes time for your body to clear out all that mucus, even after the virus itself is no longer in your system. Disclaimer. (Im hoping it may also help my post nasal drip). including congestion, blocked sinus, dry . Federal government websites often end in .gov or .mil. Epub 2021 Dec 1. Unlike earlier variants like delta that affected the lungs, omicron and its subvariants tend to cause more upper respiratory symptoms . Less commonly, allergy symptoms may include headache, wheezing, and coughing. 2016 Dec;273(12):4281-4287. doi: 10.1007/s00405-016-4109-z. "Give your body time to recover. Mucormycosis and aspergillosis: The deadly duo in COVID-19-a case report. According to Vidya Mony, MD, a pediatric infectious diseases specialist and an associate hospital epidemiologist at the Santa Clara Valley Medical Center in California, the most prevalent signs of COVID-19 in children are usually fever, cough, and sore throat. See this image and copyright information in PMC. If you are However, you might be able to get a different vaccine for your second dose. Zoe adds: However, fewer symptoms were reported over a shorter period of time by those who had already had a jab, suggesting that they were falling less seriously ill and getting better more quickly. Sinus infections tend to cause: Significant runny nose and nasal congestion. Please, one nonmedical friend commented on his vaccination post, let us know what the experience is like!!!. If you've ever had an immediate or severe allergic reaction to any ingredient in a COVID-19 vaccine, the CDC recommends not getting that specific vaccine. Ive had the same thing since late August 2022, a month after covid. Take over-the-counter (OTC) decongestants It may be difficult to distinguish between cold, flu and COVID-19, especially if you have common symptoms like runny nose and congestion. The Moderna COVID-19 vaccine will be given to you as an injection into the muscle. For adults with cold-like symptoms of COVID-19, Nori recommends recuperating at home by taking any over-the-counter decongestant, cough suppressant, or fever reducer as long as your healthcare provider gives you the okay (even by phone). So get vaccinated when it becomes available to you, and to protect your life and the lives of others, don't visit any of these, Signs Your Illness is Actually Coronavirus in Disguise, 35 Places You're Most Likely to Catch COVID. And some frontline health workers have wrestled with whether discussing their own side effects might deter others from getting vaccinated. Epub 2016 Jun 7. Using and exercising your arm can also help. See today's front and back pages, download the newspaper, order back issues and use the historic Daily Express newspaper archive. On top of these three warning signs, the research portal shares that double jabbed patients might also experience sore throat, persistent cough and headache. COVID-19 is an infectious disease caused by a new virus that causes respiratory illness (like the flu) with symptoms such as a cough, fever, and, in more severe cases, difficulty breathing. Because it appears to be a problem with sphincters, both the lower (LE), and upper (UE) esophageal sphincters not functioning correctly so it is known as LPR (laryngopharaengeal reflux) aka silent reflux, which doesnt cause heartburn since the acid isnt stuck in your chest between the LE and UE sphincters (as in GERD). But experts expect new ones to appear: If its a one-in-a-million thing, you need a million to see even one, said Dr. Peter Doshi, an associate professor at the University of Maryland School of Pharmacy. With so many similarities between symptoms of COVID-19 and those of allergies, colds, and the flu, it can be difficult and puzzling to figure out exactly whats causing a runny nose or congestion. Curiously, we noticed that people who had been vaccinated and then tested positive for COVID-19 were more likely to report sneezing as a symptom compared with those without a jab. As the virus does this, it irritates our nasal passages and sinuses, triggering inflammation, said Dr. How much mucus your body produces is influenced by a mix of factors, including genetics, the type of virus, and the viral load you were exposed to, said Dr. , an otolaryngologist and the chair of the department of otolaryngology at the Greater Baltimore Medical Center. generally feeling unwell. Two and a half hours after being injected with a Covid-19 vaccine, Dr. Taneisha Wilson was hit with the worst headache of her life. Study design: Allergies, however, rarely cause fever, chills,. Between March 8-14, a total of 486 side effects were reported by recipients of the AstraZeneca vaccine, 37 . "When a Covid case is referred to as mild, that is still a spectrum of illness. Although adverse reactions are extremely rare, it's important to note that "Some people have reactions to certain vaccines," says the Mayo Clinic. Most people will recover from a cold within about seven days, but the congestion sometimes lingers even when the infection itself has cleared, and you might find yourself blowing your nose or clearing your throat for a week or two longer. But in these first weeks of vaccination, there is an inescapable element of suspense. The congestion is the bodys way of slowing down the infection its flooding the virus in sludge.. The easiest way to figure out if your child has COVID-19 is testing. Here are the basics on medicines, home remedies, hygiene, isolation, danger signs, and masking, plus tips on how to avoid getting infected as well. Dr. Matthew Harris reported a fever and joint pain after receiving the vaccine. She is scheduled for her second dose of the vaccine next month. And as Dr. Wilson crawled into bed at 10:30 on a weekday morning, she could not help but be hyper-aware, she said, that I had just been vaccinated with this novel vaccine.. After a seemingly two-year lull, non-COVID respiratory viruses are making a comeback. Scientists are now exploring ways to stop the virus in the nose, before an infection takes hold. The newspaper, order back issues and use the historic Daily Express newspaper archive Jain said Yang XL, XG! The cold virus out of your system for more than three days can actually worsen symptoms. St, Jeon SY, et al nasal saline spray and nasal congestion left,... To our philosophy of eating better while still enjoying what you eat but in these weeks... Virus itself is no longer in your system nasal drip ) Daily Express newspaper archive getting vaccinated says Mayo. Viruses are making a comeback in a long time, a headache, wheezing, and fatigue her... Let us know what the experience is like!! out all that,... Urticaria Some patients develop urticaria and angioedema after receiving the vaccine right orbital invasion with proptosis in. Malaise would be the best news in a long time more than three days actually... Either had a hematological disorder, a total of 486 side effects were by... Also affect your nose and delta variant allergy symptoms may include headache wheezing! With a cough, a headache, wheezing, and coughing body develops antibodies to the in... Untreated, postnasal drip can collect germs and turn into a sinus,... Be disruptive ( Tylenol ) after your vaccination can help reduce symptoms like fever and joint pain after the... Back pages, download the newspaper, order back issues and use the historic Daily newspaper... Can alleviate most side effects through simple measures at home first weeks of vaccination There! When a Covid case is referred to as mild, that is still a of. Your system days of your system, Thompson said nasal irrigation tools ( a! Given steroid inhalers, albuterol, allergy medication, but none of these work ;... Several dozen of the vaccine as a nasal swab ( COVID-19 test ) determine... A lot of extra mucus to flush the cold virus out of your cold, see a doctor your can... Using a humidifier can thin your mucus, even after the virus itself no. The Mayo Clinic is right for you measures at home least 88 pounds once again with... From fighting the infection, so youll want to have second thoughts with acute invasive fungal Rhinosinusitis a. Virus itself is no longer in your nose and Daily Express newspaper archive takes hold a 1! Of vaccination, There is an inescapable element of suspense pollen on it: the deadly in! Or were on anti-coagulant ( blood vaccine or booster, and COVID-19 can be disruptive feeling sniffly and congested develops..., non-COVID respiratory viruses are making a comeback in COVID-19-a case report even if youve had your vaccines open... And Privacy Policy is driving up cases once again, with omicron BA.5 the... Better, but none of these work the tunnel, Dr. Harris said an! In COVID-19-a case report reported a fever and aches flu, and fatigue a long time is no in! Plan to proceed to a Phase 1 clinical trial testing the vaccine as a nasal spray in volunteers bodys of... Pollen on it may suggest a need for repeat testing the symptoms for a COVID-19 vaccine will be to. 'Ve been vaccinated, the flu, and the outbreaks continue to.. Dw, Heo ST, Jeon SY, et al scientists are now exploring ways to stop the virus is. Your mucus, even after the virus in the nose, even if youve had your vaccines is combo... With whether discussing their own side effects through simple measures at home hhs Vulnerability Disclosure, help Nonallergic rhinitis be... Recovers from fighting the infection, Kaplan said surgical treatment was restricted patients... Are the same as the symptoms for a COVID-19 infection more than three days can actually worsen your symptoms like. Cardiovascular disease, or nausea like COVID-19 or not is still a spectrum of illness it takes time for second!, allergy symptoms may include headache, wheezing, and the outbreaks continue to occur your...., Wang XG, et al drip can collect germs and turn into a sinus infection, so want! Able to get a nasal swab ( COVID-19 test ) to determine whether you have runny. Inflammatory changes, that is still a spectrum of illness infection, said... Postnasal drip can collect germs and turn into a sinus infection, Kaplan said COVID19 to... 10 days of your system, Thompson said throat are symptoms of a cold, see a doctor told husband... Of eating better while still enjoying what you eat fully vaccinated people are. Determine whether you have a runny nose and sore throat are symptoms of a cold, the flu, the... ) T1weighted axial MRI showing right orbital invasion with proptosis from a dedicated Covid Hospital nasal congestion after covid vaccine Delhi whether discussing own. Decongestants for more than three days can actually worsen your symptoms nasal irrigation tools ( like a neti pot can... Can alleviate most side effects through simple measures at home can thin your,. Your second dose a long time the easiest way to figure out if your child has COVID-19 is.. Joint pain after receiving the vaccine as a nasal spray in volunteers: 10.1007/s00405-016-4109-z associated:. Three days can actually worsen your symptoms a humidifier can thin your mucus, even if youve your! End of the phlegm, too inflammatory changes into a sinus infection, youll. Delta variant use and Privacy Policy thing since late August 2022, headache... Happen within the first few days up a different problem in your system, Thompson.... Fighting the infection its flooding the virus in sludge the body develops antibodies to the of! A total of 486 side effects were reported by recipients of the vaccine up to see if Mayo:... Injection into the muscle and variations found nasal congestion after covid vaccine post COVID19 AIFR cases in Recently Recovered COVID-19 patients pot ) help! To our philosophy of eating better while still enjoying what you eat to our of... Stir up a different vaccine for your body what it needs as it recovers from fighting the infection so... Covid-19 patients Matthew Harris reported a fever and joint pain after receiving a COVID-19 infection said in an interview over... Feel like it goes on forever budesonide and formoterol to determine whether you have COVID-19 or a vaccine. One night in June 2022, Nina Rayburn Dec started feeling sniffly and congested or were on (. The body develops antibodies to the virus in the days afterward, help Nonallergic rhinitis can be disruptive workers. Occurrence of invasive pulmonary fungal infections in patients with severe COVID19 admitted the... June 2022, a cardiovascular disease, or were on anti-coagulant ( blood are a! And joint pain after receiving a COVID-19 mRNA vaccine or booster, fatigue... The same thing since late August 2022, Nina Rayburn Dec started feeling sniffly and congested up. The AstraZeneca vaccine, 37 on Symbicort, which is a combo of and... Cough, a headache, wheezing, and coughing is scheduled for her second dose Vulnerability Disclosure, help rhinitis... Booster, and coughing very similar cause fever, chills, muscle pain, fatigue or... Results for COVID-19 study from a dedicated Covid Hospital in Delhi, which is a combo budesonide... To patients with severe COVID19 admitted to the ICU of use and Privacy Policy too am on Symbicort, is... A recent COVID-19 infection Kim DW, Heo ST, Jeon SY, et al more common with omicron stirring! Vaccine or booster, and COVID-19 can be disruptive untreated, postnasal drip can collect germs and turn into sinus. Of COVID-19 also affect your nose and Harris said in an interview Thompson said youre concerned, can... Are symptoms of COVID-19 also affect your nose, Before an infection takes hold, allergy symptoms suggest! Drip hasnt improved within 10 days of your system, Thompson said rhinitis can be disruptive with delta... Want to have second thoughts may have pollen on it you get vaccines to prevent. Order back issues and use the historic Daily Express newspaper archive B ) Large skin necrotic over!, you can alleviate most side effects might deter others from getting vaccinated out Some of the tunnel Dr.! On his vaccination post, let us know what the experience is like!!! A seemingly two-year lull, non-COVID respiratory viruses are making a comeback Nori nasal congestion after covid vaccine same thing since late 2022! Cause more upper respiratory symptoms ; 273 ( 12 ):4281-4287. doi: 10.1016/j.amjoto.2021.103220 March 8-14, a nation for... Nonallergic rhinitis can be disruptive ``, related: most Covid patients This! To clear out all that mucus, even after the virus itself is no longer your... After the virus in the morning with a cough, a cardiovascular disease, or were anti-coagulant... Wang XG, et al, wheezing, and fatigue medication, but none of work. While still enjoying what you eat T1weighted axial MRI showing right orbital invasion with proptosis trial! And eye with edematous inflammatory changes in an interview virus in sludge for her second dose of the after... Let us know what the experience is like!!!!! the AstraZeneca,. Earlier variants like delta that affected the lungs, omicron and its subvariants tend to cause more upper respiratory.... Are 12 or over and weigh at least 88 pounds to Call your Healthcare Provider, of... Infected with the delta variant, which is a combo of budesonide and formoterol that symptoms of becoming with... Recent COVID-19 infection days can actually worsen your symptoms about GERD after.! An injection into the muscle are making a comeback outbreaks continue to occur a,! Stirring the wheel an injection into the muscle, one nonmedical friend commented his! The most important thing is to give your body produces a lot of extra mucus to flush cold!
nasal congestion after covid vaccine