Researchers have discovered a previously unknown hepatovirus in harbor seals (Phoca vitulina) that is the closest known relative of the human hepatitis A virus, according to a new study published today online in the journal mBio. Harbor seal infected liver tissue. Top: liver section from animal, stained with hematoxylin; the image includes bile duct (A), hepatic vein (B), and hepatic artery (C); no inflammation is observed in the infected tissue....
