سازمان جهانی بهداشت به دنبال جزئیات بیشتری در مورد مرگ یک کارمند آزمایشگاه تحقیقاتی طاعون در روسیه است

The WHO seeks more details on the death of a plague research lab employee in Russia

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.