Satisfied immunized man removing his face mask after vaccination

surgical mask infectious disease illness prevention protective face mask viral infection immune system quarantine cold and flu heathcare covid-19 vaccine coronavirus pandemic virus illness vaccination epidemic immunity - biological process prevention jab medicine hd injecting protection resilience 4k working human face removing businessman business workplace mixed race person occupation men lockdown people middle eastern ethnicity office risk body part pride satisfaction covid-19 social distancing the end looking males smiling walking portrait cheerful south africa indoors freedom looking at camera adult happiness adults only relaxation indian subcontinent ethnicity