People line up to receive a booster dose of the AstraZeneca coronavirus disease (COVID-19) vaccine, in Santa Catarina, on the outskirts of Monterrey, Mexico January 19, 2022. Show moreShow less
A health worker collects a swab sample from a woman to test for the coronavirus disease (COVID-19), after cases of the Omicron variant were detected in Porto Alegre, Brazil, January 20, 2022. Show moreShow less
People queue to receive a booster dose of the AstraZeneca coronavirus disease (COVID-19) vaccine, in Santa Catarina, on the outskirts of Monterrey, Mexico January 19, 2022. Show moreShow less
A man receives a booster dose of the AstraZeneca coronavirus disease (COVID-19) vaccine, in Santa Catarina, on the outskirts of Monterrey, Mexico January 19, 2022. Show moreShow less
Luan Ribeiro Ferreira dos Santos receives a dose of Sinovac Biotech's Coronavac vaccine against the coronavirus disease (COVID-19), as the National Health Surveillance Agency (ANVISA) approved its use for children, in Sao Paulo, Brazil, January 20, 2022. Show moreShow less
A woman reacts as she receives a booster shot vaccine against coronavirus disease (COVID-19), at a medical clinic makeshift tent to enhance the booster programme in Nairobi, Kenya, January 19, 2022. Show moreShow less
Erico Amorim de Souza Nunes receives a dose of Sinovac Biotech's Coronavac vaccine against the coronavirus disease (COVID-19), as the National Health Surveillance Agency (ANVISA) approved its use for children, in Sao Paulo, Brazil, January 20, 2022. Show moreShow less
A health worker prepares a sample of test for the coronavirus disease (COVID-19), after cases of the Omicron variant were detected in Porto Alegre, Brazil, January 20, 2022. Show moreShow less
People queue to be tested for the coronavirus disease (COVID-19) as the pandemic continues in Mexico City, Mexico, January 20, 2022. Show moreShow less
A health worker prepares a sample of test for the coronavirus disease (COVID-19), after cases of the Omicron variant were detected in Porto Alegre, Brazil, January 20, 2022. Show moreShow less
People wait at a rapid testing site during a mass testing for the coronavirus disease (COVID-19), after cases of the Omicron variant were detected in Porto Alegre, Brazil, January 20, 2022. Show moreShow less
People walk past a COVID-19 testing sign during the coronavirus disease (COVID-19) pandemic in the Manhattan borough of New York City, New York, U.S., January 20, 2022. Show moreShow less
People queue as they register to be tested for the coronavirus disease (COVID-19) as the pandemic continues in Mexico City, Mexico, January 20, 2022. Image used for illustrative purpose.Show moreShow less
Judith Johanna Pawelke processes a coronavirus disease (COVID-19) test in her interior design store, which is currently being used as a COVID-19 test station in downtown Munich, Germany, January 19, 2022. Show moreShow less
People queue outside a gym set up as a Respiratory Care Module where workers of the Mexican Social Security Institute (IMSS) grant sick leaves to patients with the coronavirus disease (COVID-19) in Ciudad Juarez, Mexico, January 19, 2022. Show moreShow less
A woman registers to be tested for the coronavirus disease (COVID-19) as the pandemic continues in Mexico City, Mexico, January 20, 2022. Show moreShow less
Judith Johanna Pawelke processes a coronavirus disease (COVID-19) test in her interior design store, which is currently being used as a COVID-19 test station in downtown Munich, Germany, January 19, 2022. Show moreShow less
A health worker collects a swab sample from a woman to test for the coronavirus disease (COVID-19), after cases of the Omicron variant were detected in Porto Alegre, Brazil, January 20, 2022.Show moreShow less
COVID-19 tests and vaccination lines amid Omicron spread