Hepatitis A — United States
Scientists have identified a deadly strain of new virus in seals which is the closest-known relative of the human hepatitis A virus. The discovery provides new clues on how hepatitis A emerged on earth. Until now, scientists thought that hepatitis A had no close relative and only humans and other primates could be infected by such viruses.
“Our findings show that these so-called ‘hepatoviruses’ are not, in fact, restricted to primates and suggest that many more may also exist in other
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