Thirty-four districts are currently over the epidemic threshold.

34个县目前已超过流行阈值。

youdao

So far 20 of Niger's 42 districts have crossed the alert or the epidemic threshold.

迄今在尼日尔42个地区中有20个越过预警限值或传染限值。

youdao

So far 30 Local Government Areas (LGA) in 8 states have crossed the alert or the epidemic threshold.

迄今为止，已有8个州共30个地区达到警戒或流行阈值。

youdao

Last week 7.3% of US deaths were caused by pneumonia and the flu, just above epidemic threshold, said the US Centers for Disease Control and Prevention.

BBC: New York State declares influenza emergency