All animal viruses have to cross membranes for cell entry and exit. (sciencedaily.com)
EGCG inhibits hepatitis C virus cell entry by preventing viral attachment and could present a new approach for preventing hepatitis C virus infection, in particular re-infection after liver transplantation. (ahealthblog.com)
Prototype foamy virus protease activity is essential for intraparticle reverse transcription initiation but not absolutely required for uncoating upon host cell entry. (dresden-ipp.de)