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Too Much of a Good Thing

Antimicrobial resistance is not an American problem; it is a threat shared by every country

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.

Global childhood vaccination remains resilient, but equity cracks are widening

In 2024, immunisation data from WHO and UNICEF show that while 115 million infants (89%) received at least one dose of DTP vaccine and 109 million...

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.