American use of at-home coronavirus tests jumped during the Omicron wave, but disparities remain, a survey suggests.

The use of at-home coronavirus tests jumped during the Omicron wave, but disparities remain, a survey suggests

The use of at-home coronavirus tests surged during the winter Omicron wave in the United States, with white, high-income and highly educated people most likely to report using the tests, an online survey of U.S. adults suggests.

Between Dec. 19 and March 12, 20.1 percent of survey respondents who said they had symptoms consistent with Covid-19 reported using an at-home test, up from 5.7 percent between late August and early December, when Delta was the predominant coronavirus variant in the United States....