Russia registered more than 33,000 new cases of COVID-19 on August 17, a five-month high.
The number of new cases has risen for the past seven weeks, prompting officials to recommend residents wear masks and get another vaccine shot.
The number of new hospitalizations on August 17 stood at more than 3,100.
According to official Russian statistics, 383,00 citizens have died from COVID-19 since the disease began to rapidly spread around the globe in 2020.
Independent demography experts estimate the Russian death total at four times the official figure.