Medical staff carried French coronavirus patients aboard German rescue helicopters to transfer them to a hospital in Germany, Monday, March 23.

READ MORE: The head of Germany's public health institute says there are signs that the exponential growth curve for the country's coronavirus infections is flattening for the first time.

Lothar Wieler said Monday that it appears the curve is "flattening off slightly," but said he would not be able to confirm the trend definitively until Wednesday.

Wieler, who heads Germany's Robert Koch Institute, said he is optimistic that social distancing measures the country is taking are working to slow the spread of the virus.


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