According to AASV, the addition of Nebraska brings to 20 the number of states reporting at least one confirmed case of PED virus in a swine herd.
A total of 140 new cases were reported for the week of December 1, 2013. This represents the highest number of new cases reported in a single week since the introduction of the virus in April.
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Wednesday December 11, 2013/ AASV/ United States.
http://www.aasv.org