Two missing US Navy aviators have been declared dead, several days after their aircraft crashed near Mount Rainier, Washington, during a training flight, the Navy said Sunday.

The U.S. Navy has identified two female pilots, who were killed when their EA-18G Growler crashed last week during a training mission east of Mount Rainier in Washington state.

The missing crew members are presumed dead after rescue teams spent five days searching for them, even after the Navy found the EA-18G Growler.

Four farm workers who helped cull poultry on an commercial egg farm in Washington are presumed to have been infected with bird flu, making that state the sixth in the country to report human H5N1 infections this year.

Bird flu viruses are divided into two categories: low pathogenic avian influenza (LPAI) and highly pathogenic avian influenza (HPAI). H5N1 is an HPAI that causes severe illness an

The CDC is deploying a team to Washington state to assess the health of farm workers who culled poultry suffering from bird flu after four workers are presumed to have been infected by the virus, U.S.