The source of the outbreak still isn’t known, and the risk of re-emergence from a new spillover from the animal reservoir ...

German researchers say the answer may be in virus-reactive memory T cells, which are triggered by COVID infection.

Hepatitis B virus (HBV) is the leading cause of cirrhosis, hepatocellular carcinoma, and liver-related death globally.1,2 The highest prevalence is found in low-income and middle-income countries ...