LOS ANGELES—Los Angeles County reintroduced a take-home program for COVID-19 test kits Jan. 10 as a way to expand testing during the rapid surge in infections. The county paused a similar delivery-only program a week earlier due to “logistics of processing these kits,” according to authorities. The county Department of Health Services said the program is designed for residents unable to get appointments as the demand for tests increases during a dramatic upswing in infections due to the Omicron variant. Residents will be able to pick up a PCR test kit at one of 13 testing sites without an appointment, complete the test on their own, and return the completed kit to one of several designated locations for processing. Residents are expected to be notified of test results—which cover both COVID-19 and the flu—within 24–48 hours. A test kit-by-mail program that was suspended last week due to lack of supplies …