#Food and Drug Administration

Shutdown could affect NIH, CDC, community health centers and HIV/AIDS programs, but Medicare and Medicaid payments won’t stop immediately.

People at lower risk may not need an updated booster, but without a CDC recommendation, insurance companies wouldn’t have to cover it.

The confusion about what’s true—and who’s telling the truth—is of critical importance to public health.

Americans’ choices, often informed by bad or misleading data, are among the causes of poor health.

The share of kindergartners receiving the usual round of required vaccines dropped in the 2021-2022 school year.

People 65 and older and immunocompromised people can get a second bivalent booster; most unvaccinated people now need only one initial shot.

Monoclonal antibodies used to prevent COVID-19 in immunocompromised people aren’t active against new virus variants.

Older people, immunocompromised people and those with underlying health conditions can benefit most from additional shots.

Updated Pfizer-BioNTech and Moderna bivalent boosters contain spike proteins from the original and BA.4 and BA.5 omicron variants.

Updated boosters could go to the “worried well” who have good insurance rather than to those at highest risk.

The engineered protein vaccine was highly effective in a clinical trial but faced a long delay for authorization.

FDA advises people to perform repeat testing following a negative at-home COVID-19 test, to reduce the risk an infection may be missed.

An unusual alliance among senators emerged in the push to allow for the importation of drugs from Canada and the United Kingdom.

After a long wait, the FDA authorizes Pfizer and Moderna vaccines for children as young as 6 months old.

A study found that only 43% of clinical trials reported race and ethnicity. The FDA issued guidance to address these inequalities.

The diagnostic test can provide results in less than three minutes.