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.
Parasitic diseases are infections caused by organisms that are often microscopic. Learn about symptoms and treatment.
Sepsis is a condition caused by an overwhelming immune response to an infection in the body. Learn about symptoms and treatment.
A type of bacterium, Clostridium difficile (C. diff), causes one of the most common health care-associated infections in the United States.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
A serious and potentially fatal disease caused by parasites that enter the body via mosquito bites. People with malaria typically experience fever, chills, headache, nausea, and fatigue.
Pneumonia is an infection that inflames air sacs, which may fill with fluid, in the lungs. Learn about symptoms and treatment.
Lyme disease is a tick-borne infection that can lead to neurological complications. Learn about symptoms and treatment.
Herpes is a sexually transmitted infection that can cause genital pain and sores. Learn about symptoms and treatment.