A person performs a self-swab test for COVID-19 in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)
A health worker takes a swab sample from a man for COVID-19 test in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)
A health worker takes a swab sample from a man for COVID-19 test in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)
A person performs a self-swab test for COVID-19 in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)
People wait in line for COVID-19 tests in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)
People wait in line for COVID-19 tests in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)
People wait in line for COVID-19 tests in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)
People wait in line for COVID-19 tests in the Brooklyn borough of New York, the United States, Dec. 17, 2021. (Photo by Michael Nagle/Xinhua)