title: Avian influenza. Keeping track of viral air traffic.
authors.forename: Martin
authors.initials: M
authors.lastname: Enserink
mesh_terms: D000818:Animals; D000835:Animals, Wild / Q000821:virology; D046091:Charadriiformes / Q000821:virology*; D004372:Ducks / Q000821:virology*; D005060:Europe / Q000453:epidemiology; D005777:Geese / Q000821:virology*; D009980:Influenza A virus / Q000145:classification / Q000302:isolation & purification* / Q000472:pathogenicity; D005585:Influenza in Birds / Q000453:epidemiology* / Q000821:virology; D011159:Population Surveillance