Pneumonia is an infection that inflames air sacs, which may fill with fluid, in the lungs. Learn about symptoms and treatment.
COVID-19 is the disease caused by the SARS-CoV-2, the 2019 novel coronavirus.
A type of bacterium, Clostridium difficile (C. diff), causes one of the most common health care-associated infections in the United States.
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.
Coronavirus is a term describes a family of viruses, common in both animals and humans.
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.
Herpes is a sexually transmitted infection that can cause genital pain and sores. Learn about symptoms and treatment.
Vaccines aren’t just for kids. Thousands of adults go to the hospital each year for a serious (sometimes even deadly) disease they might have avoided if they had received the vaccination to prevent it.