8/4/2023 0 Comments After effects of covid vaccine"If you have those symptoms, it's reassuring your immune system has gone to work," explained Dr. So if you do have side effects, it's normal and temporary. Russo, though you're not actually getting an infection, he added. "It's part of the body's response to an infection," said Dr. As a consequence, we can experience some common effects of the human body's typical immune response to an intruder, like a fever or aches. So when the second vaccine dose (which acts to turbo-charge our immune system against the coronavirus) comes, the immune system reacts strongly to the perceived threat, and produces many more antibodies. "The first dose gets that immune system primed," said Dr. Russo.īy the second dose, our bodies have already seen this critical piece of the virus, and are now extra-ready to respond to the intruder. "You're getting parts of the virus to protect you from an infection," explained Dr. This allows our immune system to prepare defenses (called antibodies) against the virus so it can't attach, among building other cellular defenses. The two-shot vaccines introduce a piece of harmless genetic code (called mRNA) into our bodies, which instructs our cells to make just the part of the coronavirus (the infamous spike protein) that binds with our cells and infects us. Why are side effects common after the second dose? Gupta, who is also an affiliate assistant professor of health metrics sciences at the Institute for Health Metrics and Evaluation (IHME) at the University of Washington. "We think it’s more likely than not after the second dose," explained Dr. Vin Gupta, a pulmonary and critical care physician. Over half of people may experience some mild symptoms, explained Dr. ![]() Yet, expect the possibility of milder side effects after the second Covid dose. "These Covid-19 vaccines have no red flags" (To be safe, the health care professionals administering the vaccines ask you to wait 15 minutes post-vaccination to ensure you don't have this type of severe reaction, which they're prepared to treat.) "These Covid-19 vaccines have no red flags, so to speak," said Gulick. The rare serious allergic reactions to a Covid vaccine are not unusual compared to other vaccines. An extreme minority of people have a severe reaction to certain things, be it peanuts or penicillin or a vaccine. This sort of extreme reaction is quite rare, happening on the order of just one to five per a million people, said Dr. These are not the severe reactions that might require immediate medical treatment, like a serious allergic reaction (anaphylaxis). Importantly, these side effects are temporary and go away within a day or 48 hours or so, said Dr. In addition to the possibility of soreness, swelling, or redness where you get the shot, the following potential side effects are common for some after receiving a Covid vaccine, according to the CDC: ![]() "That's just the way our immune systems are." "We all react to everything differently," said Dr. Some of us have these short-lived symptoms. Rather, different bodies respond to the vaccine differently, just as many of us respond to flu viruses, cold viruses, or bee stings in diverse ways. and professor of medicine at Michigan State University. "There's no evidence of that," explained Dr. But this certainly doesn't mean the vaccine is less effective in your body. ![]() Thomas Russo, the chief of infectious disease at the University of Buffalo's Jacobs School of Medicine and Biomedical Sciences. "It's a signal your immune system is working and you are responding to the vaccine."Ĭrucially, some people don't have symptoms after getting the second shot of the two-dose Pfizer-BioNTech or Moderna vaccines. "These symptoms are expected," emphasized Dr. ![]() (None of the FDA-authorized vaccines contain the actual coronavirus, just harmless genetic information about the virus that codes for only a small piece of the virus.) Overall, these temporary symptoms are your immune system in action as it responds to the vaccine. The single-dose shot, from Johnson and Johnson, can have similar effects, too, though there's evidence the side effects are less common. They emphasize that the vaccines have continually proven safe, and any common side effects - like tiredness, a sore shoulder, fever, or aches - from the second doses of the Pfizer-BioNTech or Moderna vaccines are normal and relatively brief. Mashable spoke with some of these doctors. Doctors are getting questions about the possibility of short-lived, though sometimes uncomfortable, side effects after the second Covid shot.
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