Vaccines have been rigorously tested, reviewed, and monitored for decades. They are one of the greatest success stories in ...

The combination of climate change and pathogen expansion could be fueling a surge in infectious diseases. GEN consulted ...

The government’s top vaccine official, working under Health Secretary Robert F. Kennedy Jr., restricted the approval of two ...

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 ...

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

A former Pfizer scientist was subpoenaed Monday by House Republicans over allegations that senior executives at the pharma ...

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 ...