Coronavirus (COVID-19) Update: FDA Takes Additional Actions on the Use of a Booster Dose for COVID-19 Vaccines

Today, the U.S. Food and Drug Administration took action to expand the use of a booster dose for COVID-19 vaccines in eligible populations. The agency is amending the emergency use authorizations (EUA) for COVID-19 vaccines to allow for the use of a single booster dose as follows: The use of a single booster dose of the Moderna COVID-19 Vaccine that may be administered at least 6 months after completion of the primary series to individuals: 65 years of age and older 18 through 64 years of age at high risk of severe COVID-19 18 through 64 years of age with frequent institutional or occupational exposure to SARS-CoV-2

COVID-19 Vaccines Protect the Family, Too

Any of the available COVID-19 vaccines offer remarkable personal protection against the coronavirus SARS-CoV-2. So, it also stands to reason that folks who are vaccinated will reduce the risk of spreading the virus to family members within their households. That protection is particularly important when not all family members can be immunized—as when there are children under age 12 or adults with immunosuppression in the home. But just how much can vaccines help to protect families from COVID-19 when only some, not all, in the household have immunity?

COVID super-immunity: one of the pandemic’s great puzzles

People who have previously recovered from COVID-19 have a stronger immune response after being vaccinated than those who have never been infected. Scientists are trying to find out why.

If You’ve Had Covid, Do You Need the Vaccine?

So-called natural immunity varies from patient to patient, scientists say. Immunization is still the best choice after recovering from the disease.

Pfizer Asks F.D.A. to Authorize Its Covid-19 Vaccine for Children 5 to 11

WASHINGTON — Pfizer and BioNTech said on Thursday morning that they had asked federal regulators to authorize emergency use of their coronavirus vaccine for children ages 5 to 11, a move that could help protect more than 28 million people in the United States.