A medical worker gives the COVID-19 vaccine injection in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday. (Photos: Xinhua)

The COVID-19 vaccine is pictured in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday.

A medical worker prepares COVID-19 vaccine injection in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday.

The COVID-19 vaccine is pictured in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday.

A man gets his body temperature checked before receiving COVID-19 vaccine injection in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday.

A medical worker gives the COVID-19 vaccine injection in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday.

A medical worker prepares COVID-19 vaccine injection in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday.

A medical worker prepares COVID-19 vaccine injection in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday.

A medical worker gives the COVID-19 vaccine injection in Moscow, Russia, Dec. 8, 2020. Russia has recorded 26,097 more COVID-19 cases, down from 28,142 a day earlier, the country's COVID-19 response center said Tuesday. Since the start of a mass vaccination program in Moscow on Dec. 5, around 2,000 people from high-risk groups have been injected with vaccine, the city's mayor Sergei Sobyanin said Monday