Your COVID-19 Vaccine Appointment | CDC

Do not receive a COVID-19 vaccine at the same time as any other vaccine

Wait at least 14 days before getting another vaccine, including a flu or shingles vaccine, after getting your COVID-19 vaccine. If you get another vaccine first, wait at least 14 days before getting your COVID-19 vaccine.

If you get a COVID-19 vaccine within 14 days of another vaccine, do so Not must be re-vaccinated with both vaccines. You should continue to complete both series of vaccines on time.

As we have more data on the safety and effectiveness of COVID-19 vaccines given at the same time as other vaccines, the CDC may update this recommendation.

When you need a second shot

If you're getting an mRNA COVID-19 vaccine (Pfizer-BioNTech COVID-19 vaccine or Moderna COVID-19 vaccine), you need 2 shots to get the best possible protection. You should get your second shot, even if you experience side effects after the first shot, unless a vaccination provider or your doctor tells you not to have it.

When you get the COVID-19 viral vector vaccine, the Janssen (J & J / Janssen) COVID-19 vaccine from Johnson & Johnson, all you need is 1 shot.

Timing your second shot

The time between your first and second shot depends on which vaccine you received.

• If you've received the Pfizer-BioNTech COVID-19 vaccine, you should get your second shot 3 weeks (or 21 days) after your first.
• If you've received the Moderna COVID-19 vaccine, you should get your second shot 4 weeks (or 28 days) after your first.

You should Get your second shot as close as possible to the recommended 3-week or 4-week interval. However, if necessary, your second dose can be given up to 6 weeks (42 days) after the first dose. You should receive the second dose no earlier than the recommended interval. .