SAN FRANCISCO -- Health officials are warning that the deadly novel coronavirus outbreak, also known as COVID-19, has the potential to become a global pandemic. A pandemic will expose everyone to an ...

The White House on Friday launched a website deeming a laboratory leak as the “true” origin of the COVID-19 virus, embracing a theory that has become a popular explanation for a pandemic that has ...

In an extraordinary breakthrough, scientists have traced the deadly bacterium behind the world’s earliest recorded pandemic to its epicentre for the first time. The Justinian Plague, which devastated ...

Throughout history, the deadliest disease outbreaks and pandemics have decimated societies, killing millions. From the Black ...

Five years after the novel coronavirus emerged, historians see echoes of other great illnesses, and legacies that are unlike any of them. Credit...Katherine Lam Supported by By Gina Kolata Five years ...

A new analysis that began under the Biden administration is released by the C.I.A.’s new director, John Ratcliffe, who wants the agency to get “off the sidelines” in the debate. By Julian E. Barnes ...

The world is divided by war. Influenza outbreaks smolder in livestock herds and bird flocks for years. The public is deeply skeptical of the value of medical interventions. Public health agencies ...