FILE - In this Sept. 10, 2020, file photo Los Angeles County Sheriff Alex Villanueva speaks at a news conference in Los Angeles. Villanueva says he will not enforce the county's vaccine mandate in his agency. (AP Photo/Jae C. Hong,File)FILE - In this Sept. 10, 2020, file photo Los Angeles County Sheriff Alex Villanueva speaks at a news conference in Los Angeles. (AP Photo/Jae C. Hong,File)LOS ANGELES (AP) — The Los Angeles County sheriff says he will not enforce the county’s vaccine mandate in his agency. ADVERTISEMENTMore than 26,000 people have died of the coronavirus in Los Angeles County, which is the nation’s most populous county.