https://www.reuters.com/article/us-health-coronavirus-google/big-tech-companies-to-allow-only-vaccinated-u-s-employees-into-offices-idUSKBN2EY2NK

(Reuters) -Big tech companies are making it mandatory for employees in the United States to get COVID-19 vaccinations before entering campuses, as the highly infectious Delta variant of the virus drives a resurgence in cases across regions.