#6561105A student wearing a protective face mask stands in a schoolyard before the Unified State Exam in Chemistry at School No. 2030 in Moscow, Russia.Sign in or register,to downloadAdd to cartRemove from cartPackage: Russia Unified State ExamCategories: EducationLocation: Moscow, RussiaEvent date: 31.05.2021Date published: 31.05.2021Author: Alexey KudenkoCredit: SputnikSource: SputnikOriginal: DigitalMedia: JPEG, 3648x2432px, 4.4MbJob-ID: 8b848cbbf87b39e92021SARS-CoV-2COVIDCOVID-19viruspandemicepidemicinfection2019-nCoVcoronavirustestingteststudentexaminationexamUSE