How long will it take to build immunity after getting the COVID-19 vaccine?
How soon after COVID-19 booster do side effects start?
Can you use any COVID-19 vaccine for a booster shot?
Any of the COVID-19 vaccines can be used for booster vaccination, regardless of the vaccine product used for primary vaccination. When a heterologous or “mix and match” booster dose is administered, the eligible population and dosing intervals are those of the vaccine used for primary vaccination.
How soon can you get your second mRNA COVID-19 shot after the first?
Is it normal to have side effects after second COVID-19 vaccine?
What are the common side effects of the COVID-19 vaccine?
What is the interval between the first and second doses of the Pfizer and Moderna COVID-19 vaccines?
When should you take the second COVID-19 vaccine?
Should I get the 2nd mRNA COVID-19 vaccine if I had an allergic reaction?
What is the recommended interval between doses of the Pfizer-BioNTech and Moderna COVID-19 vaccines?
Should the booster shot be the same as the first two shots?
The FDA has authorized three vaccine boosters — Pfizer-BioNTech, Moderna and Janssen/Johnson & Johnson — and determined that it is safe for individuals to receive a COVID-19 vaccine booster or additional dose that is a different brand than the initial dose or doses.
How many shots do I need with the Pfizer or Moderna COVID-19 vaccine?
Is the Pfizer and Moderna COVID-19 vaccine interchangeable?
You should not get the second dose earlier than the recommended interval. COVID-19 vaccines are not interchangeable for your COVID-19 vaccine primary series. If you received a Pfizer-BioNTech or Moderna COVID-19 vaccine for your first shot, you should get the same product for your second shot.
What happens if you don’t take the second shot of the COVID-19 vaccine?
Why are Moderna and Pfizer COVID-19 vaccine side effects worse after the second shot?
Side effects from both the Moderna and Pfizer COVID-19 vaccines are more common after the second dose. This is because your immune system recognizes the virus spike protein from the first dose of the vaccine and mounts a stronger response.
Are there any COVID-19 vaccine products interchangeable?
Interchangeability of COVID-19 vaccine products Any currently FDA-approved or FDA-authorized COVID-19 vaccine can be used when indicated; ACIP and CDC do not state a product preference. In general, primary series and additional doses should be with the same vaccine product.
Who should not get the Moderna COVID-19 vaccine?
Are reactions to the second COVID-19 vaccine worse than the first?
The bottom line Both arm pain and side effects like headache and fever may be more likely after the second dose of the Pfizer and Moderna vaccines. This is because the first dose stimulates the immune system, and the second dose causes a stronger immune response.