HIV is a retrovirus that impairs the immune system and causes AIDS. Learn about symptoms and treatment.
Sexually transmitted infections are caused by bacteria, viruses, and parasites that can spread through sexual contact.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
Sepsis is a condition caused by an overwhelming immune response to an infection in the body. Learn about symptoms and treatment.
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.
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.
Urinary tract infections are bacterial infections that occur in the urinary tract. Learn about symptoms and treatment.