Government Director of the WHO Emergencies Program Mike Ryan speaks at a information convention...
Immunizations
An Israeli nurse receives a fourth dose of the Pfizer-BioNTech COVID-19 coronavirus vaccine on...
Vacationers consult with the Acropolis archaeological website online in Athens, Greece, on Tuesday, Jan....
A well being employee prepares Pfizer vaccine boosters for shoppers on December 01, 2021...