District Attorney investigators found that Walgreens sold expired over-the-counter drugs, such as aspirin, sunscreen and hand sanitizer.

Walgreens did not specify how many additional stores it would close, but roughly a quarter of the pharmacy chain's U.S. locations could be affected. Walgreens has 480 stores in California, including 10 in San Jose.

The federal jury concluded that Balwani conspired to defraud Theranos Investors and patients, and he faces a possible 20-year sentence.

Just one-third of Santa Clara Countys 16- and 17-year-olds have received at least one dose of the Covid-19 vaccine.