A woman wearing a face mask walks past a metro car in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)

People wait to enter a COVID-19 test station in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)

Few pedestrians are seen on a street in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)

People wearing face masks are seen inside and outside a metro car in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)

Metro security members wearing face masks walk into a metro car in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)

People queue to enter a pharmacy in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)

People are seen in a pharmacy in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)

An advertisement to attract customers to online shopping is seen on a window of a store in Munich, Germany, on Jan. 15, 2021. More than two million COVID-19 infections have already been officially registered in Germany since the outbreak of the pandemic, the Robert Koch Institute (RKI) announced on Friday. (Photo by Philippe Ruiz/Xinhua)