A health worker takes a swab sample of a passenger entering the city to test for COVID-19 at a railway station in Ahmedabad, India, Friday, December 3, 2021. India on Thursday confirmed its first cases of the omicron coronavirus variant in two people and officials said one arrived from South Africa and the other had no travel history. A top medical expert urged people to get vaccinated. (Photo by Ajit Solanki/AP Photo)
