virus infection nonhuman 68 article 66 priority journal 46 controlled study 40 Animals 38 human 36 Humans 34 Junin virus 30 Arenavirus 28 Vero Cells 28 animal cell 28 Cercopithecus aethiops 26 in vitro study 24 Vero cell 22 Virus Replication 22 virus replication 22 antivirus agent 20 unclassified drug 20 cell culture 18 Antiviral Agents 16 Cell Line 16 antiviral activity 16 virus protein 16 Support, Non-U.S. Gov't 14 Viral Proteins 14 virus inhibition 14 Animal 12 Mice 12 male 12