Oct 10 – The World Health Organization said on Saturday that it still does not know what caused the pneumonia that killed a Russian lab worker at an anti-plague research center in Siberia this month, and that no case of plague had been registered.
Oct 10 – The World Health Organization said on Saturday that it still does not know what caused the pneumonia that killed a Russian lab worker at an anti-plague research center in Siberia this month, and that no case of plague had been registered.