A type of bacterium, Clostridium difficile (C. diff), causes one of the most common health care-associated infections in the United States.
Sepsis is a condition caused by an overwhelming immune response to an infection in the body. Learn about symptoms and treatment.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
Pneumonia is an infection that inflames air sacs, which may fill with fluid, in the lungs. Learn about symptoms and treatment.
Parasitic diseases are infections caused by organisms that are often microscopic. Learn about symptoms and treatment.
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.
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.
Diseases that are transmitted to humans through the bite of ticks infected with several types of bacteria and viruses.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
Most microbes in and around our bodies are harmless, but some evolve to become deadly threats to individual and public health.