Is there a COVID-19 second booster for Pfizer and Moderna?

A second booster dose of the Pfizer-BioNTech COVID-19 Vaccine or Moderna COVID-19 Vaccine may be administered to individuals 50 years of age and older at least 4 months after receipt of a first booster dose of any authorized or approved COVID-19 vaccine.

How long does the protection from Pfizer and Moderna's COVID-19 booster vaccine last?

The most recent research from the CDC suggests that protection from the Pfizer and Moderna COVID-19 vaccines starts to fade around 4 months after a booster dose.

Can you mix and match the vaccines for your mRNA (Pfizer or Moderna) primary vaccination series?

No, vaccines used for the primary vaccination series should be same. However, if the mRNA vaccine product given for the first two doses is not available or is unknown, either Pfizer-BioNTech or Moderna COVID-19 vaccine (mRNA COVID-19 vaccines) may be administered.

Can you mix and match COVID-19 booster doses?

The FDA has authorized the use of mix-and-match booster doses for currently available COVID-19 vaccines based on the results of a NIAID-supported study.

What kind of booster vaccine is available for COVID-19?

Choosing Your COVID-19 Booster Shot Pfizer-BioNTech or Moderna (COVID-19 mRNA vaccines) are preferred. You may get Johnson & Johnson's Janssen COVID-19 vaccine in some situations.

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Are there any second COVID-19 vaccine booster available?

Recently, the Food and Drug Administration (FDA) and the Centers for Disease Control and Prevention (CDC) authorized a second booster shot of the Pfizer-BioNTech and Moderna vaccines for everyone 50 and older and for people with certain conditions that make them immunocompromised.

Can you mix and match Pfizer and Moderna COVID-19 vaccine?

Through the FDA's authorization and the CDC's recommendation, heterologous boosting—aka “mixing and matching”—is allowed with a single dose of any of the authorized COVID-19 vaccine boosters. For example, those who got Johnson & Johnson's one-dose series can receive a booster shot from Moderna or Pfizer

Do COVID-19 boosters use the same ingredients as existing vaccines?

Yes. COVID-19 boosters are the same ingredients (formulation) as the current COVID-19 vaccines. However, in the case of a Moderna COVID-19 vaccine booster, the dose is half of the amount of the vaccine people get for their primary series.

Can you get another vaccine if you get the Johnson and Johnson COVID-19 vaccine?

If you got J&J as your initial vaccine and are 18 or older, you are eligible for a booster shot two months later, regardless of which one you choose (you're eligible six months later if you had Moderna or Pfizer-BioNTech as your primary series).

How often can you take the COVID-19 treatment Paxlovid?

How often do I take Paxlovid? You take three Paxlovid pills twice daily for five days for a full course that adds up to 30 pills. It helps that the pills are packaged in a “dose card,” basically a medication blister pack that allows you to punch out the pills as needed.

Are egg products used in COVID-19 vaccines?

The COVID-19 vaccines currently authorized by the FDA are not manufactured using egg products or egg culture. See COVID-19 vaccines for more information.

How do I know if I’ve been fully vaccinated if I was vaccinated in another country?

If you have received all recommended doses of a COVID-19 vaccine that has been authorized or approved by the U.S. Food and Drug Administration (FDA) or is listed for emergency use by the World Health Organization (WHO), then you are considered to be fully vaccinated.

When should you get the second mRNA COVID-19 vaccine?

People ages 12 through 64 years, and especially males ages 12 through 39 years, may consider getting the second dose of an mRNA COVID-19 vaccine (Pfizer-BioNTech or Moderna) 8 weeks after the first dose.

What is the duration of protection against COVID-19 when vaccinated?

Studies of the duration of protection of COVID-19 vaccine effectiveness indicate that vaccine effectiveness decreases more against infection and symptomatic disease than against severe disease in the 6 months after full vaccination.

How long do COVID-19 vaccines last?

It is normal for virus-fighting antibodies—such as those that are stimulated by a COVID-19 vaccine—to wane over time. Monitoring antibody levels in the blood is one way to measure vaccine efficacy and research has found that protection remains high for six months after the second shot of a Pfizer or Moderna vaccine.

How long does COVID-19 rebound last?

So far there have been no reports of severe illness in those who have experienced covid rebound, and most people seem to recover and stop testing positive around three days later without needing additional covid-19 treatment.

Is it recommended to take booster shot after primary J&J COVID-19 vaccine?

If you are age 18 or older, have been given one dose of the Janssen/Johnson & Johnson COVID-19 vaccine and it's been at least 2 months, you should get a single booster dose. The Pfizer-BioNTech or Moderna COVID-19 vaccine boosters are preferred in most situations.

Is the Johnson & Johnson COVID-19 vaccination one or two shots?

The Janssen COVID-19 Vaccine vaccination schedule is a single dose.

Are there any life threatening side effects from the J&J COVID-19 vaccine?

The Janssen/Johnson & Johnson COVID-19 vaccine can cause thrombosis with thrombocytopenia syndrome. This is a blood-clotting problem that can be life-threatening. As a result, the FDA is restricting use of the Janssen/Johnson & Johnson vaccine to certain people age 18 and older.

Do COVID-19 booster shots cause worse side effects?

If you experienced side effects when you were vaccinated initially, you may wonder if you'll have any noticeable symptoms in response to your booster shot. While you may have some side effects, they should be no worse than what you experienced originally and may well be milder.

Are there preservatives in Pfizer-BioNTech COVID-19 vaccine?

The Pfizer-BioNTech COVID-19 Vaccine (COMIRNATY) has: No preservatives like thimerosal or mercury or any other preservatives.

What are the risks to getting a COVID-19 booster?

Adults and children may have some side effects from a COVID-19 vaccine, including pain, redness or swelling at the injection site, tiredness, headache, muscle pain, chills, fever, and nausea. Serious side effects are rare, but may occur.

Is it safe to take the Moderna, Pfizer-BioNTech, or J&J COVID-19 vaccine during pregnancy?

No safety concerns were found in animal studies: Studies in animals receiving a Moderna, Pfizer-BioNTech, or Johnson & Johnson (J&J)/Janssen COVID-19 vaccine before or during pregnancy found no safety concerns in pregnant animals or their babies.

What medications should be avoided before the COVID-19 vaccine?

It is not recommended you take over-the-counter medicine – such as ibuprofen, aspirin, or acetaminophen – before vaccination for the purpose of trying to prevent vaccine-related side effects.

What if I don't get the second COVID-19 vaccine shot?

The bottom line is that if you didn't get your second shot on time, you'll want to get it as soon as possible. If you didn't get your second shot because you developed COVID-19 at some point during the vaccination process, it's still recommended that you get your second dose.