COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
Long COVID refers to new or recurring symptoms that occur four or more weeks after an infection with SARS-CoV-2, the virus that causes COVID-19.
Sepsis is a condition caused by an overwhelming immune response to an infection in the body. Learn about symptoms and treatment.
Most microbes in and around our bodies are harmless, but some evolve to become deadly threats to individual and public health.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
A type of bacterium, Clostridium difficile (C. diff), causes one of the most common health care-associated infections in the United States.
The flu is a common contagious viral infection that attacks the respiratory system. Learn about symptoms and treatment.