FILE PHOTO: Medical workers wearing personal protective equipment (PPE) transfer a patient suffering from the coronavirus disease (COVID-19) at the City Clinical Hospital Number 52 in Moscow, Russia April 28, 2020. REUTERS/Maxim Shemetov

MOSCOW: Tests used throughout Russia to determine if someone has COVID-19 or not often give the wrong result, Moscow officials said on Thursday (May 7), in a statement further calling into question the veracity of official statistics.