A swine virus deadly to young pigs, and never before seen in North America, has spiked to 199 sites in 13 states - nearly double the number of farms and other locations from earlier this month.
Iowa, the largest U.S. hog producer, has the most sites testing positive for Porcine Epidemic Diarrhea Virus: 102 sites, as of June 10. The state raises on average 30 million hogs each year, according to the Iowa Pork Producers Association.
PEDV, most often fatal to very young pigs, causes diarrhea, vomiting and dehydration. It also sickens older hogs, though their survival rate tends to be high.
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