Scientists from St. Jude Children's Research Hospital have uncovered what gives Vibrio cholerae, the bacterium that causes ...

This is part of our four-part package looking at infectious diseases and how they’ve influenced our culture and evolution. Read the other articles here. Humans play host to many little passengers.

Scientists have identified new bat coronaviruses, closely related to SARS-CoV-2, capable of infecting human cells. These ...

This article will follow consistent usage. Infections are diseases caused by infectious agents — microorganisms that can be cultivated and transmitted. Transmissibility or communicability refers to ...

Rickettsia spp. are Gram-negative, obligate, intracellular bacterial pathogens. Most rickettsial species have a life cycle that involves both an arthropod vector and a vertebrate host. The high ...

After more than two years of the COVID-19 pandemic, you might picture a virus as a nasty spiked ball – a mindless killer that gets into a cell and hijacks its machinery to create a gazillion copies of ...