Trump's new White House photo hearkens back to past portraits where presidents appeared unsmiling against dark backgrounds.

One of the reasons the influenza pandemic thrived in 1918 was because of overcrowded living conditions. Though influenza viruses spread most efficiently in cool, dry environments, the 1918 flu thrived ...

It is official. The World Health Organization (WHO) has described the novel coronavirus as a pandemic for the first time. In a press briefing on Wednesday, WHO director-general Tedros Adhanom ...

A collection of photos taken during the Black Hills’ gold rush era is about to allow the public to gaze back in time. The collection resurfaced recently after spending about 120 years in ...

Viral epidemiology is the scientific discipline concerned with the study of the incidence and spread of viruses in populations over time. Host, virus and environmental factors are monitored to ...