This vaccine also was first tested against the original strain of the virus that causes COVID-19. The number of shots in this vaccination series varies based on a person's age and COVID-19 vaccination history.Ģ023-2024 Moderna COVID-19 vaccine. It is authorized for people age 6 months to 11 years. The Pfizer-BioNTech vaccine is approved under the name Comirnaty for people age 12 and older. This data helped predict how well the vaccines would work for younger people. In December 2020, the Pfizer-BioNTech COVID-19 vaccine two-dose series was found to be both safe and 91% to 95% effective in preventing COVID-19 infection in people age 18 and older. That strain began spreading at the end of 2019. This vaccine was first tested against the original strain of the COVID-19 virus. Vaccines with FDA emergency use authorization or approval include:Ģ023-2024 Pfizer-BioNTech COVID-19 vaccine. In September and October 2023, the FDA authorized the use of the updated 2023-2024 COVID-19 vaccines made by Novavax, Moderna and Pfizer-BioNTech. The vaccines were changed to target a strain of the virus that causes COVID-19 called XBB.1.5. In June 2023, the FDA directed vaccine makers to update COVID-19 vaccines. Both included the original and omicron variants of the virus that causes COVID-19. In August 2022, the FDA authorized an update to the Moderna and the Pfizer-BioNTech COVID-19 vaccines. But the data still has to show that the vaccines are safe and effective. To provide vaccines sooner, the FDA gave emergency use authorization to COVID-19 vaccines based on less data than is typically required. Food and Drug Administration's (FDA's) vaccine approval process can take years. You or your child started a vaccine series but couldn't finish it due to side effects.Īt the start of the COVID-19 pandemic, COVID-19 vaccines were needed right away.You don't know which vaccine you or your child received.The vaccine you or your child got earlier isn't available.Talk to your healthcare professional if you have any questions about the vaccines for you or your child. People age 12 and older who have had one shot of the Novavax vaccine should get the second Novavax shot in the two-dose series.People age 5 years and older with weakened immune systems.Some people should get all their vaccine doses from the same vaccine maker, including: They usually don't need to get the same vaccine each time. In general, people age 5 and older with typical immune systems can get any vaccine that is approved or authorized for their age.
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