EditorialTillie O’Kelley shows an x-ray that revealed a nodule that was detected on her lower right lung earlier this year, at her home in Arcadia, La., Sept. 22, 2022. (Rory Doyle/The New York Times)
EditorialAn undated image provided by the National Institute of Allergy and Infectious Diseases shows a colorized transmission electron micrograph of monkeypox particles (green) found within an infected cell (pink and purple), cultured in the laboratory. (National Institute of Allergy and Infectious Diseases via The New York Times)
EditorialA tactical air sampler gathers tiny particles from the area during a prescribed burn at Blodgett Forest Research Station in Georgetown, Calif., May 14, 2022. (Andri Tambunan/The New York Times)
EditorialFiltered wastewater samples, colored black because of the binding agent that adheres to coronavirus particles, in John Dennehy’s lab at Queens College in New York on Wednesday, Feb. 2, 2022. (Jackie Molloy/The New York Times)