March 11, 2023

FILE - A person is taken on a stretcher into the United Memorial Medical Center after going through testing for COVID-19 Thursday, March 19, 2020, in Houston. On the third anniversary of the COVID-19 pandemic in 2023, the virus is still spreading and the death toll is nearing 7 million worldwide. Yet most people have resumed their normal lives, thanks to a wall of immunity built from infections and vaccines. (AP Photo/David J. Phillip, File)