(ANSA) - WASHINGTON, AUG 13 - Los Angeles and Chicago have announced the obligation of vaccination for all teachers and school staff.
All must be vaccinated by 15 October, with schools reopening both subways in the second half of August.
Los Angeles and Chicago are the two largest school districts in the US after New York.
Here, for the moment, school staff are offered the choice of being vaccinated or a weekly anti-Covid test.
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