روسیه می گوید پس از مرگ در موسسه تحقیقات طاعون هیچ وضعیت اضطراری بهداشتی وجود ندارد

Russia says there's no health emergency after a death at plague research institute

The World Health Organization says it wants more information on what caused the death of an employee at a Russian plague research lab. Russia says the woman died of pneumonia of unknown origin.