A Palestinian man receives a dose of COVID-19 vaccine during a vaccination campaign in Gaza City, on Feb. 7, 2022.(Photo: Xinhua)
A Palestinian man receives a dose of COVID-19 vaccine during a vaccination campaign in Gaza City, on Feb. 7, 2022.(Photo: Xinhua)
A medical worker prepares a dose of COVID-19 vaccine during a vaccination campaign in Gaza City, on Feb. 7, 2022.(Photo: Xinhua)