A second infected seabird put Australia's biggest chicken producer into lockdown. The number that matters, for now, is two.

Authorities confirmed the deadly H5 strain of avian influenza in a migratory seabird in Western Australia, the first mainland case of a virus that has reached every other continent.

Playing without the injured Christian Pulisic, the United States beat Australia 2-0 in Seattle to reach the World Cup knockout rounds and win back-to-back games for the first time since 1930.