![]() ![]() Vaccine effectiveness for booster doses in 0–3 months after BNT162b2 primary vaccination was higher than 92♵%, and effectiveness for heterologous boosters after ChAdOx1 nCoV-19 was at least 88♸%. 135 932 individuals aged 55 years or older received a booster (2123 of whom tested positive). Vaccine effectiveness decreased more among individuals aged 55 years or older and among those with comorbidities. Vaccine effectiveness waned after the second dose: at 5 months, BNT162b2 effectiveness was 82♱% (95% CI 81♳–82♹), ChAdOx1 nCoV-19 effectiveness was 75♷% (74♹–76♴), and mRNA-1273 effectiveness was 84♳% (81♲–86♹). 62 172 (10♰%) vaccinated individuals tested positive for SARS-CoV-2 and were compared with 40 345 unvaccinated controls (6726 of whom tested positive). Here's what to know based on each vaccine brand.We included 620 793 participants who received two vaccine doses (204 731 received BNT162b2, 405 239 received ChAdOx1 nCoV-19, and 10 823 received mRNA-1273) and subsequently had a SARS-CoV-2 test result between May 23 (chosen to exclude the period of alpha variant dominance) and Nov 23, 2021. And early data suggested that most people who received boosters had about the same side effects as they did after their second dose. The most common side effects are similar for all three types of COVID-19 vaccine boosters available in the U.S. ![]() Common COVID-19 booster shot side effects "If you're weighing the side effects of the vaccine versus the effects of COVID, I would take the side effects of the vaccine any day," Milstone said. Remember, though, that the side effects from the vaccine and the booster, while unpleasant, are typically mild and temporary. She also experienced a fever, body aches, chills and "complete exhaustion." "I'm pretty sensitive and I have a pretty low pain tolerance," she told TODAY, so dealing with the soreness after having one shot in each arm was a challenge. That's what happened to Lindsay Mann, who received her Moderna booster alongside her flu shot last month. But if you do experience side effects later, it will be difficult to know which vaccine is responsible. That's completely safe and a convenient way to cross both shots off your to-do list in the same appointment, according to the Centers for Disease Control and Prevention. ![]() Making matters even more confusing is the fact that some people may get their flu vaccine at the same time as the booster. ( Mixing and matching could make it even more challenging to predict which side effects you'll experience.) Aaron Milstone, associate hospital epidemiologist at the Johns Hopkins Hospital and pediatric infectious disease specialist at the Johns Hopkins Children's Center, told TODAY. They may be more or less severe than the ones you experienced previously, Dr. The side effects you experience after your booster dose may be different than what you felt after your first dose(s). An especially sore arm might make it difficult to work out or cook breakfast, for instance, and chills may leave you tossing and turning for a night. But, for some people, those symptoms can be so intense they have trouble doing their usual tasks. All adults are now eligible for COVID-19 booster shots, which means more people than ever have already or will soon be experiencing side effects from their boosters.Īs with the original vaccine doses, most COVID-19 booster shot side effects are mild, flu-like and temporary. ![]()
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