Starbucks on Monday announced that its tens of thousands of U.S. workers must get a COVID-19 vaccine or undergo weekly testing to comply with new federal mandates. The federal Occupational Safety and Health Administration (OSHA) set a Feb. 9 date for large employers with 100 or more workers to require either full vaccination or weekly testing. The rule, among others, was announced by President Joe Biden on Sept. 9 as part of a controversial sweeping mandate to push the U.S. vaccination rate higher. Starbucks Chief Operating Officer John Culver issued a letter to Starbucks employees that they have to disclose their vaccination status by Jan. 10. “This is an important step we can take to help more partners get vaccinated, limit the spread of COVID-19, and create choices that partners can own based on what’s best for them,” Culver wrote in the letter to employees, dated Dec. 27. “If vaccination …