Page 5 of articles about porcine-epidemic-diarrhea

The author questions whether the US virus is more virulent than the strain CV777 isolated in Europe in 1977 or whether the disease is indeed more devastating now than it was in the seventies in Europe.

The current situation for PED is that of continual occurrence of moderate to severe outbreaks in many pig farms, across Asia, USA and elsewhere, on both naïve farms and those that have suffered previous episodes.