People have their COVID-19 vaccination certificates checked before entering a shopping mall in Riga, Latvia, Oct. 11, 2021. The Latvian government declared new emergency rules to stem the country's rapidly rising COVID-19 incidence. The government also decided to declare a state of emergency, which came into effect on Monday, and will remain in force until Jan. 11. (Photo by Janis Laizans/Xinhua)
A customer presents COVID-19 vaccination certificate before entering a shopping mall in Riga, Latvia, Oct. 11, 2021. The Latvian government declared new emergency rules to stem the country's rapidly rising COVID-19 incidence. The government also decided to declare a state of emergency, which came into effect on Monday, and will remain in force until Jan. 11. (Photo by Janis Laizans/Xinhua)
People have their COVID-19 vaccination certificates checked before entering a shopping mall in Riga, Latvia, Oct. 11, 2021. The Latvian government declared new emergency rules to stem the country's rapidly rising COVID-19 incidence. The government also decided to declare a state of emergency, which came into effect on Monday, and will remain in force until Jan. 11. (Photo by Janis Laizans/Xinhua)
People have their COVID-19 vaccination certificates checked before entering a shopping mall in Riga, Latvia, Oct. 11, 2021. The Latvian government declared new emergency rules to stem the country's rapidly rising COVID-19 incidence. The government also decided to declare a state of emergency, which came into effect on Monday, and will remain in force until Jan. 11. (Photo by Janis Laizans/Xinhua)