Former firefighter John Knox's ties to RFK Jr. have landed him atop the agency that helped bring Covid-19 under control.

Overall effectiveness of the Covid vaccines for all adults is similar to that of the annual flu shot, according to a large ...

Pfizer’s pricing deal with the Trump administration, which won the company a three-year exemption from sector-specific ...

Pfizer reported lower third-quarter profit as demand for its Covid-19 vaccine and antiviral drug continue to decline.

Big-name biotech Gilead Sciences issued a mixed third-quarter report late Thursday, with product sales coming in below ...

Private providers are not licensed to give the vaccine to children under 12, prompting some desperate parents to make the ...

Pfizer on Tuesday raised its full-year profit forecast for the second quarter in a row as robust demand for its blockbuster ...