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.

Misleading headlines in news coverage of the Massachusetts Covid-19 outbreak fail to highlight vaccine efficacy in preventing death and severe disease.

The Health Equity and Inclusion in Action report, commissioned by the biopharmaceutical company Gilead Sciences and developed by the global think tank Observer Research Foundation (ORF),...

Hope shines through the veil of despair with low-cost, effective interventions that can significantly reduce the number of deaths among infants aged 0 to 5.