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29 sty 2021 · The COVID-19 vaccines from Pfizer and Moderna each require two doses several weeks apart for maximum efficacy. Side effects after injection can include fever, chills, nausea, headache, fatigue, injection-site pain, joint pain and muscle aches.
14 lip 2021 · Tiredness, a headache and sore arm are common side effects after a second dose of Pfizer. These symptoms are triggered by the body's immune response to the vaccine. Painkillers can be taken after the jab to manage symptoms, but not beforehand.
16 lut 2021 · After you are vaccinated for COVID-19, especially the second dose of the two-dose series, Dr. Swift says to be prepared for these possible side effects: Muscle aches; Chills; Slight fever; Headache; Fatigue ; Dr. Poland reminds people that these side effects generally go away with minimal or no treatment.
24 mar 2021 · The second vaccine dose goes into your body, starts to make that spike protein, and your antibodies jump on it and rev up your immune system response. It's kind of like they've studied for the test. And it's acing the test. How long could symptoms or side effects of COVID-19 vaccination last?
1 wrz 2024 · Researchers examined the antibody responses and side effects from 363 people who had the two-dose Pfizer-BioNTech or Moderna mRNA vaccines. One month after the second dose, they found that those who cited at least one side effect, such as chills, fatigue, headache, or generally feeling unwell, had antibody levels 1.4 to 1.6 times higher than ...
This multisite US study supports the safety of Pfizer-BioNTech or Moderna vaccine second dose administration in patients who report immediate and potentially allergic reactions after the first dose.
26 lut 2024 · The study, published in Vaccine, confirmed previously identified rare safety signals for myocarditis and pericarditis after a mRNA vaccine (Pfizer and Moderna) and Guillain-Barré syndrome and cerebral venous sinus thrombosis (CVST) after viral vector vaccines (AstraZeneca).1
