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日経平均株価【998407】の掲示板 2020/02/19

The CDC has released guidance for schools and childcare programs to prepare for and respond to potential coronavirus spread in the U.S. For instance, school systems can consider temporary dismissals of 14 days if a student or staff member was at the school before being confirmed with COVID-19. During a dismissal period, schools can consider implementing virtual learning plans to keep students on track.

https://www.jwatch.org/fw116361/2020/02/19/covid-19-human-human-transmission-outside-china-guidance