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Infectious

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Hepatitis D

Hepatitis is an inflammation of the liver. Viruses cause most cases of hepatitis. The type of hepatitis is named for the virus that causes it; hepatitis A, hepatitis B, hepatitis C, hepatitis D and hepatitis E.

Breakthrough Infections Dramatically Enhance COVID Immunity

I do not wish a breakthrough infection on anyone. If one does get a breakthrough, though, the silver lining is that the immunity after such infection is very, very robust.

Pre-Exposure Prophylaxis (PrEP) for HIV Prevention

Pre-exposure prophylaxis (or PrEP) is a way for people who do not have HIV but who are at very high risk of getting HIV to prevent HIV infection by taking a pill every day.

Trichomoniasis: A Common Sexually Transmitted Infection (STI)

While not as common as HPV, chlamydia, and herpes, trichomoniasis affects 174 million people infected around the world each year.