Japan has embargoed importation from the state of Mato Grosso do Sul in Brazil. This action followed reports of highly pathogenic avian influenza in migratory birds and backyard flocks.
In May and June, Japan halted imports from other states in Brazil following localized outbreaks of avian influenza that did not affect commercial flocks. Bans were lifted after 28 days.
Although Japan has experienced a number of outbreaks of highly pathogenic avian influenza introduced by migratory waterfowl, there is concern over possible importation of novel strains of avian influenza. According to statements by health officials, Japan is taking action not only to protect domestic flocks that are in any event exposed to migratory waterfowl, but also to reduce the possibility of an emergence of an exotic zoonotic strain.