Find out how different vaccines for the coronavirus cause your body to create antibodies that fight the virus.

A new study provides early evidence that a Covid-19 vaccine might be effective against two new coronavirus strains first identified in South Africa and the UK, despite a concerning mutation. A new ...

allowing drugmakers to fund additional research and development work. Other governments have bristled at the idea that they should pay more for branded drugs, although there has been talk of ...

On Tuesday, Pfizer Inc. (NYSE:PFE) released its full-year 2025 financial guidance, projecting revenues between $61.0 billion and $64.0 billion compared to a consensus of $63.28 billion. For 2025, ...