A medical worker marks a vial of COVID-19 vaccine during the vaccination drive at a clinic in Misrod village, Bhopal, India, April 1, 2021. The third phase of vaccination to curb the COVID-19 pandemic began in India on Thursday, during which all people aged above 45 years would be given vaccine jabs. (Str/Xinhua)

A man receives a shot of COVID-19 vaccine during the vaccination drive at a clinic in Misrod village, Bhopal, India, April 1, 2021. The third phase of vaccination to curb the COVID-19 pandemic began in India on Thursday, during which all people aged above 45 years would be given vaccine jabs. (Str/Xinhua)

A man receives a shot of COVID-19 vaccine during the vaccination drive at a clinic in Misrod village, Bhopal, India, April 1, 2021. The third phase of vaccination to curb the COVID-19 pandemic began in India on Thursday, during which all people aged above 45 years would be given vaccine jabs. (Str/Xinhua)