Most microbes in and around our bodies are harmless, but some evolve to become deadly threats to individual and public health.
Lyme disease was discovered by Yale physicians. Patients here benefit from advanced, multidisciplinary treatments for this complex condition.
Genital herpes is likely the most feared and least understood sexually transmitted infection (STI). There is no cure, so people infected with herpes have it forever.
A type of bacterium, Clostridium difficile (C. diff), causes one of the most common health care-associated infections in the United States.
If you are bitten by a tick, there's no need to panic. Tick-borne illnesses such as Lyme disease can be treated effectively if caught early.