Yamagata Prefecture announced on the 30th that it was confirmed that 257 new people were infected with the new coronavirus.
The number of infected people announced in Yamagata Prefecture per day exceeded 230 on the 28th, the highest number ever.
The number of newly infected people per day exceeds 100 for 7 consecutive days.
Newly infected persons have been confirmed for 26 consecutive days, and the total number of confirmed infected persons has reached 5,499.