International Business Machines Corp (IBM.N) said on Friday that it would allow just fully vaccinated U.S. workers to get back to workplaces, which are set to open from Sept. 7, given the fast spread of the Delta variation of COVID-19.

We will still open many of our U.S. sites, where local clinical conditions allow, the week of Sept. 7. However, the reopenings will only be for fully vaccinated employees who choose to come into the office,” Chief Human Resources Officer Nickle LaMoreaux said in a notice shipped off representatives.

The The resurgence of COVID-19 cases in the United States because of the Delta variant and the new direction from the U.S. Communities for Disease Control and Prevention (CDC) that requiresfully vaccinated individuals to wear veils have driven organizations to change their arrangements on get back to office, vaccinations and masking.

The technology firm additionally requested that its employees get completely inoculated, joining other large specialists to battle the spread of the virus.

Earlier on Thursday, Facebook Inc (FB.O) has pushed back its office return date for all U.S. furthermore, some worldwide representatives until January 2022, while AT&T Inc (T.N) said it will require management employees to be vaccinated prior to entering a work location.