A foreign passenger wearing a protective suit poses as they prepare for their flight at Manila's International Airport, Philippines, Monday, January 18, 2021. Coronavirus infections in the Philippines have surged past 500,000 in a new bleak milestone with the government facing criticisms for failing to immediately launch a vaccination program amid a global scramble for COVID-19 vaccines. (Photo by Aaron Favila/AP Photo)

A woman reacts as she receives the AstraZeneca/Oxford vaccine under the COVAX scheme against coronavirus disease (COVID-19) at the Kenyatta National Hospital in Nairobi, Kenya on March 5, 2021. (Photo by Monicah Mwangi/Reuters)

An armed police officer checks the documents of a cyclist at a checkpoint placed to implement a curfew in the country's capital amid rising coronavirus disease (COVID-19) cases, in Caloocan City, Metro Manila, Philippines, March 16, 2021. (Photo by Eloisa Lopez/Reuters)

Hundreds of students take part in the traditional Raisin Monday foam fight on St Salvator’s Lower College Lawn in Scotland on October 21, 2019. The messy display is the culmination of a weekend of festivities where first years say thank you to their more senior student “parents” for mentoring them. (Photo by Jane Barlow/PA Images via Getty Images)

People walk along Beachy Head, close to Eastbourne on the south coast of England on April 12, 2020, as life in Britain continues over the Easter break, during the nationwide lockdown to combat the novel coronavirus pandemic. Britain's Prime Minister Boris Johnson was making “very good progress” on Saturday in his recovery in hospital from coronavirus, officials said, as the country's deaths toll from the disease approached the grim milestone of 10,000. (Photo by Ben Stansall/AFP Photo)

Steven Busulwa, an animal keeper, runs away from a charging rhino at the Uganda Wildlife Conservation Education Center (UWEC) amid the lockdown as part of the measures taken to prevent the spread of the coronavirus disease (COVID-19), within Wakiso district, in Entebbe, Uganda on April 20, 2020. (Photo by Abubaker Lubowa/Reuters)

Yoga instructors from Anahata Yoga Zone perform yoga postures on a building's terrace in Hyderabad on June 18, 2020, ahead of the International Yoga Day annually celebrated on June 21. (Photo by Noah Seelam/AFP Photo)

A mannequin wearing a face mask stands at the entrance of a women's clothing store in La Paz, Bolivia, Monday, June 1, 2020. After more than two months of quarantine to curb the spread of the new coronavirus the government authorized the restart of public transport and several industrial and commercial activities. (Photo by Juan Karita/AP Photo)