A person in Louisiana has been hospitalized after being exposed to sick and dead birds. Meanwhile, California has declared an emergency over its growing outbreak in cattle.

Authorities in New Delhi shut schools, halted construction and banned nonessential trucks from entering the city after air pollution shot up to its worst level this season.

A teenager in British Columbia has tested positive for H5N1 avian influenza and remains in critical condition, with health officials unable to identify the source of exposure despite extensive contact tracing.