The World Health Organization is unsure what caused the pneumonia that killed a laboratory worker in Siberia on October 2

HealthOct 10 at 3:35 PM – Oct 10 at 5:31 PM12 outlets

CTV News

WHO still doesn’t know what caused the death of the Russian lab worker Oct 10 at 4:53 PM

Newshub

Mystery surrounds young worker's death at Russia lab studying severe diseases seen Oct 10 at 5:24 PM

The Independent

Mystery surrounds young worker's death at Russia lab studying severe diseases Oct 10 at 4:13 PM

Local 10 WPLG

Mystery surrounds young worker's death at Russia lab studying severe diseases Oct 10 at 4:13 PM

Pittsburgh Tribune-Review

Mystery surrounds young worker’s death at Russia lab studying severe diseases seen Oct 10 at 4:52 PM

The Mercury News

Mystery surrounds young worker’s death at Russia lab studying severe diseases Oct 10 at 9:31 AM

The Philadelphia Inquirer

Mystery surrounds young worker's death at Russia lab studying severe diseases Oct 10 at 4:13 PM

Times Union

Mystery surrounds young worker's death at Russia lab studying severe diseases seen Oct 10 at 4:35 PM

Toronto Star

Mystery surrounds young worker’s death at Russia lab studying severe diseases seen Oct 10 at 4:30 PM

Winnipeg Free Press

Mystery surrounds young worker's death at Russia lab studying severe diseases Oct 10 at 4:13 PM

WRAL

Mystery surrounds young worker's death at Russia lab studying severe diseases seen Oct 10 at 4:44 PM

The Straits Times

WHO unsure what caused pneumonia that killed plague-lab worker in Russia seen Oct 10 at 3:35 PM