A resident registers his information at a vaccination site at Yongdinglu  Sub-district of Haidian District in Beijing, China, March 14, 2021.  Yongdinglu Sub-district has started to inoculate residents aged over 60  with COVID-19 vaccines. Green channels have been set up at the  vaccination site and staff will help the elderly to reserve on site and  provide related consultation. [Photo via Xinhua]

People line up outside a vaccination site at Yongdinglu Sub-district of  Haidian District in Beijing, China, March 14, 2021. Yongdinglu  Sub-district has started to inoculate residents aged over 60 with  COVID-19 vaccines. Green channels have been set up at the vaccination  site and staff will help the elderly to reserve on site and provide  related consultation. [Photo via Xinhua]

A resident is inoculated at a vaccination site at Yongdinglu  Sub-district of Haidian District in Beijing, China, March 14, 2021.  Yongdinglu Sub-district has started to inoculate residents aged over 60  with COVID-19 vaccines. Green channels have been set up at the  vaccination site and staff will help the elderly to reserve on site and  provide related consultation. [Photo via Xinhua]

A staff member helps a resident outside a vaccination site at Yongdinglu  Sub-district of Haidian District in Beijing, China, March 14, 2021.  Yongdinglu Sub-district has started to inoculate residents aged over 60  with COVID-19 vaccines. Green channels have been set up at the  vaccination site and staff will help the elderly to reserve on site and  provide related consultation. [Photo via Xinhua]

A staff member helps a resident make reservation outside a vaccination  site at Yongdinglu Sub-district of Haidian District in Beijing, China,  March 14, 2021. Yongdinglu Sub-district has started to inoculate  residents aged over 60 with COVID-19 vaccines. Green channels have been  set up at the vaccination site and staff will help the elderly to  reserve on site and provide related consultation. [Photo via Xinhua]

A resident has blood pressure taken before vaccination at Yongdinglu  Sub-district of Haidian District in Beijing, China, March 14, 2021.  Yongdinglu Sub-district has started to inoculate residents aged over 60  with COVID-19 vaccines. Green channels have been set up at the  vaccination site and staff will help the elderly to reserve on site and  provide related consultation. [Photo via Xinhua]

A resident is inoculated at a vaccination site at Yongdinglu  Sub-district of Haidian District in Beijing, China, March 14, 2021.  Yongdinglu Sub-district has started to inoculate residents aged over 60  with COVID-19 vaccines. Green channels have been set up at the  vaccination site and staff will help the elderly to reserve on site and  provide related consultation. [Photo via Xinhua]