The head of the World Organization for Animal Health (OIE) believes Porcine Epidemic Diarrhea virus (PEDv) will ease before the end of the year.

"I'm confident. Like in all other diseases we know how to stop them once we have identified the causes properly," OIE Director General Bernard Vallat told Reuters.

Vallat believes the wild spread of the virus, now confirmed in more than 6,600 cases in 30 states, was spread mainly due to a lack of hygienic precautions – notably disinfecting trucks entering and leaving farms. Vallat did not rule out any potential link to feed.

He expected the disease to stabilize in the country after the first wave of cases the “naïve” herds not previous exposed to the virus and had not developed antibodies.

"I expect it to subside before the end of the year," he said.

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As many as 7 million pigs have killed by PEDv since it was first identified in April 2014. Agribusiness research firm Rabobank reported earlier this month the virus could cut U.S. pork production by as much as 7 percent in 2014.

Many experts expected PEDv cases to mimic those of its coronavirus cousin, Transmissible Gastroenteritis (TGE) and slow during the warmer summer months. Unfortunately, this doesn't appear to be the case.

As one Illinois producer explained to Sauk Valley Media that while both PEDv and TGE may be coronaviruses, PEDv is behaving “like TGE on steroids.”