Humans have been getting infected by ancient bacteria and viruses for at least 37,000 years. Now, for the first time, pathogen DNA has uncovered a pivotal disease "turning point" that happened 6,500 ...

Dr. Kamran Khan is a practicing infectious disease physician and the CEO & founder of BlueDot — an infectious disease intelligence company. After a summer of climate turmoil, from Canadian wildfires ...

The US has experienced a series of epidemics during the past five decades. None has tested the nation’s resilience like the coronavirus disease 2019 (COVID-19) pandemic, which has laid bare critical ...

Infectious diseases are defined as those that are caused by pathogenic microorganisms, including bacteria, fungi, parasites, and viruses. A person can be infected with a pathogenic microorganism ...

Infectious diseases are health conditions caused by pathogens — bacteria, viruses, or other microorganisms, such as parasites or fungi. After invading the body, pathogens multiply and disrupt how the ...

A virus is a sneaky little bugger whose goal is to get inside your body. When it does enter your body it finds a normal cell to infect. Once it’s inside the cell, the virus will create newly copied ...