A mother holds her daughter who is injected with a dose of the Soberana-02 COVID-19 vaccine, in Havana, Cuba, Thursday, September 16, 2021. Cuba began inoculating children as young as 2-years-old with locally developed vaccines on Thursday. (Photo by Ramon Espinosa/AP Photo)

Yi Arias, a CORE crew member in an upbeat mood at COVID-19 mass-vaccination of healthcare workers taking place at Dodger Stadium in Los Angeles, California, U.S., January 15, 2021 (Photo by Irfan Khan/Pool via Reuters)

A girl visits by an area decorated with lanterns ahead of the Chinese Lunar New Year festivity at Yu Garden, following the new coronavirus disease (COVID-19) cases in Shanghai, China, January 28, 2022. (Photo by Aly Song/Reuters)

An old American car is seen in Havana as a rainbow appears in the sky, on February 3, 2022. The Cuban government on Thursday “emphatically and forcefully” demanded the end of the U.S. embargo on the island, which was reinforced “to unsuspected limits” amid the covid-19 pandemic, as it celebrates its 60th anniversary. (Photo by Yamil Lage/AFP Photo)

A woman wearing a protective face mask makes merit during the Songkran holiday which marks the Thai New Year during the coronavirus disease (COVID-19) outbreak, in Bangkok, Thailand, April 13, 2022. (Photo by Chalinee Thirasupa/Reuters)

Spectators, young and old and of all colors of the rainbow, lined the canals in the Dutch capital to watch the colorful spectacle of the Pride Canal Parade return for the 25th edition after the last two events were canceled due to the COVID-19 pandemic, in Amsterdam, Netherlands, Saturday, August 6, 2022. (Photo by Peter Dejong/AP Photo)

A protester lies on the ground after being pushed during a protest over coronavirus disease (COVID-19) restrictions in mainland China, during a commemoration of the victims of a fire in Urumqi, in Hong Kong, China on November 28, 2022. (Photo by Tyrone Siu/Reuters)

In this April 27, 2020 photo, a health worker helps another as she fainted because of exhaustion and long working hours during a swab test drive for COVID 19, in New Delhi, India. Two and a half months of nationwide lockdown kept numbers of infections relatively low in India. But with restrictions easing in recent weeks, cases have shot up, raising questions about whether authorities have done enough to avert catastrophe. Half of Delhi’s 8,200 hospital beds dedicated to COVID-19 patients are already full and officials are projecting more than half a million cases in the city alone by July 31. (Photo by Manish Swarup/AP Photo)