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

Shares of Moderna MRNA rose nearly 6% yesterday after the U.S. Centers for Disease Control and Prevention (“CDC”) adopted new ...

The Centers for Disease Control and Prevention (CDC) has adopted new vaccine recommendations that expand protection for respiratory syncytial virus (RSV) and meningococcal disease, backing products ...

The US Food and Drug Administration’s top vaccine official overrode agency experts in May to recommend against the broad use ...

Pfizer exec Philip Dormitzer amid claims the COVID-19 vaccine announcement was delayed to avoid influencing the 2020 election ...

The House Judiciary Committee subpoenaed a former Pfizer executive who allegedly claimed senior members of the company ...

However, data from clinical trials when the vaccines were first released showed that the Pfizer vaccine was 95% effective at preventing COVID-19, while the Moderna vaccine was 94.1% effective.

Pfizer did not say that its vaccine had "95% efficacy against infection." In Pfizer's clinical trial cohort, of the 170 confirmed cases of COVID-19, 162 were in the placebo group versus eight in ...

Both these vaccines are made using the messenger RNA platform. In adults, their initial efficacy estimates were virtually identical — 95% for Pfizer’s vaccine, 94% for Moderna’s.