an elderly man 45-50 years old points to a picture with a qr code from the covid-19 vaccine on his shoulder as part of the coronav

4550 adult against application background based blurred caucasian clinic close code confirmation coronav coronavirus covid covid19 crown demonstrates elderly evidence flu focus hand his hospital immunity immunization injection man mature medical medicine mobile neutral pandemic part patient people person picture points portrait program programs protection receiving retirement scan selective senior shoulder showing tattoo temporary using vaccination virus years