After a nose swab tests positive for a virus or bacteria, scientists can use the sample’s genetic sequence to figure out where and when the pathogen emerged and how fast it’s changing.

Scientists get up close and personal with deadly pathogens to give doctors the tools they need to treat people sickened by germs. The key is keeping the researchers – and everyone around them – safe.

UV disinfection is a proven means of killing pathogens like the SARS-CoV-2 virus, but it's not risk-free.

Aerosols of some FDA-approved food coloring could deactivate airborne viruses.

People have lived with infectious disease throughout the millennia, with culture and biology influencing each other. Archaeologists decode the stories told by bones and what accompanies them.

We blame the coronavirus for the thousands of deaths, but it is actually a hyperactive immune reaction that is the cause of death. An immunologist explains.

Human psychology has evolved to avoid situations that could lead to infection. Behavioral choices now could have long-term effects on how people interact with others and the world.