EditorialA technician works in a laboratory at the Nelson R. Mandela School of Medicine in Durban, South Africa, on Nov. 15, 2021. (Joao Silva/The New York Times)
EditorialTulio de Oliveira, director of the KwaZulu-Natal Research and Innovation Sequencing Platform, in his lab at the Nelson Mandela School of Medicine in Durban, South Africa, Jan. 8, 2021. (Joao Silva/The New York Times)
EditorialA health care worker is given the Johnson & Johnson COVID-19 vaccine at an assembly hall on the grounds of Charlotte Maxeke Johannesburg Academic Hospital in Johannesburg, South Africa, March 5, 2021. (Joao Silva/The New York Times)
EditorialHealth care workers process swab samples for rapid antigen tests at a COVID-19 testing site in San Francisco, March 2, 2021. (Mike Kai Chen/The New York Times)
EditorialNaah Allotey, right, processes COVID-19 testing paperwork prior to testing a patient at NYC Health + Hospitals/Harlem on Dec. 22, 2020. (James Estrin/The New York Times)
EditorialA pharmacist prepares a Pfizer-BioNTech COVID-19 vaccine at Virginia Hospital Center in Arlington, Va., on Wednesday, Dec. 16, 2020. (Michael A. McCoy/The New York Times)
EditorialA flow cell used for sequencing the coronavirus at a lab in Seattle, April 15, 2020. Analyzing a virus’s genetic code lets researchers track its mutations. (Ruth Fremson/The New York Times)
EditorialA flow cell used for sequencing the coronavirus at a lab in Seattle, April 15, 2020. Analyzing a virus’s genetic code lets researchers track its mutations. (Ruth Fremson/The New York Times)
EditorialEXCLUSIVE: ** WARNING: Contains Graphic Content ** Brazilian woman with massive tumours waist down that have rob her of job and ruined her personal life, pleads for help for life-changing surgery