The new memos from the Food and Drug Administration show how the agency’s vaccine chief, Dr. Vinay Prasad, personally ...

Moderna’s new influenza vaccine, based on the same mRNA technology used in its COVID-19 vaccine, showed promising results in a major trial.

The expanded recommendation is good news for Moderna, Pfizer, and GSK, which all sell RSV vaccines for older adults. Moderna ...

Moderna is preparing to test Health Secretary Robert F. Kennedy Jr.'s tougher vaccine policies with a combination flu-COVID ...

The virus has not yet evolved to spread efficiently between people. Excellent vaccine technology exists, but the government ...