CATEGORIES

Infectious

LATEST

TRENDING

EDITORS CHOICE

Hepatitis C

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.

A Physician Travels to South Asia Seeking Enduring Lessons From the Eradication of Smallpox

Smallpox was certified eradicated in 1980, but I first learned about the disease’s twisty, storied history in 1996 while interning at the World Health...

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.

The Human Immunodeficiency Virus (HIV), CD4+ T lymphoctyes and AIDS

Human immunodeficiency virus (HIV) infection results from 1 of 2 similar retroviruses (HIV-1 and HIV-2) that destroy CD4+ T lymphocytes and impair cell-mediated immunity, increasing risk of certain infections and cancers.