Head of Rospotrebnadzor Popova: PCR test for COVID-19 will be valid for 48 hours, not 72 
PCR test validity which shows the presence of the COVID-19 virus in the body will be reduced from 72 to 48 hours. This was stated by the head of Rospotrebnadzor Anna Popova. A fragment of the video recording of her speech was published on the official Telegram channel of the Russian government.