A health worker collects nasal swab sample of a pilgrim for the COVID-19 test at a makeshift hospital in Sagar Island of South 24 Pargana district. This year due to the COVID-19 pa...

Health workers and soldiers wait on a soccer field before starting a house-to-house COVID-19 testing campaign in the Villa Maria del Triunfo shantytown of Lima, Peru. As the number...

A health worker collects a nasal swab sample for the COVID-19 test at Rajiv Gandhi hospital in New Delhi.

A health worker waits for hermits to collect their samples for COVID-19 testing, at Babughat transit camp in Kolkata.

A health worker arranges slides for COVID-19 tests, at Nerul in Navi Mumbai.

In this photo released by Xinhua News Agency, a medical staff in a protective suit prepares to take a swab from a child near a residential area in Shijiazhuang in north China's Heb...

Motorists line up to take a coronavirus test in a parking lot at Dodger Stadium, in Los Angeles.

Motorists queue up to take a coronavirus test in a parking lot at Dodger Stadium, in Los Angeles.

Alex Gonzalez, 19, jumps rope on Angel's Point at Elysian Park as motorists wait in long lines to take a coronavirus test in a parking lot at Dodger Stadium, in Los Angeles.

Motorists queue up to take a coronavirus test in a parking lot at Dodger Stadium in Los Angeles.

In this photo released by Xinhua News Agency, residents wait for 30 minutes at an observation point after receiving their COVID-19 vaccinations at a temporary vaccination site in B...

A health worker collects a nasal sample from a woman for COVID-19 test, in Jammu.

A health worker collects a nasal swab sample to test for COVID-19 at a bus station in Jammu.

People stand in queues as they wait for their turn to give samples for COVID-19 test, at a centre in Chikmagalur.

Ashfaque Ahmad, a health worker with CDMO, waits to collect swab samples for COVID-19 tests, at Vijay Ghat slum area in New Delhi. Ashfaque has individually done sampling of more t...

A health worker wearing PPE kit collects samples for the COVID-19 test at Sadaiv Atal Samadhi, as coronavirus cases surge across the National Capital, in New Delhi.

COVID-19 testing setup, handled by Genestrings Diagnostic Centre, for the passenger coming from United Kingdom, amid mounting concern over the new strain of the virus, at Delhi Air...

COVID-19 testing setup, handled by Genestrings Diagnostic Centre, for the passenger coming from United Kingdom, amid mounting concern over the new strain of the virus, at Delhi Air...

Passengers undergo thermal screening, amid coronavirus pandemic, at Bandra Terminus Railway Station in Mumbai.

A heath worker collects sample from a passenger for COVID-19 test, at Bandra Terminus Railway Station in Mumbai.