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New pig virus detected in Ohio, distinct from Porcine Epidemic Diarrhea virus

New coronavirus may be infecting pigs
New coronavirus may be infecting pigs
Photo by Denis Doyle/Getty Images

The Ohio Department of Agriculture (ODA) is reporting they detected a new, distinct coronavirus in several samples from pigs on different swine farms, according to a ODA press release Feb. 11.

Experts say that the virus, a deltacoronavirus, distinct from porcine epidemic diarrhea (PED) and transmissible gastroenteritis (TGE), was detected in sows and piglets experiencing diarrhea in recent weeks from four Ohio farms.

Related story: Porcine Epidemic Diarrhea virus outbreak now in 23 states, on some 2,400 farms

The new virus, designated as Swine Delta Coronavirus (SDCV), like PED, cannot spread to humans or other species and poses no risk to food safety.

The release states:

Electron microscopy of fecal samples from the 4 farms showed the presence of coronavirus-like viral particles. In one of the 4 farms, polymerase chain reaction (PCR) tests for TGE viruses and PED viruses currently circulating in the US were negative, but all 10 samples were positive for a new virus. PED and the new virus were detected in fecal samples from the other 3 farms.

Dr. Yan Zhang of the Ohio Department of Agriculture/Ohio Animal Disease Diagnostic Laboratory (ADDL) says they offer PCR tests that can detect all three of these coronaviruses (PED, TGE, and SDCV).

The PEDv, which was first seen in April 2013 in the United States, has killed millions of pigs in this country and is spreading through Ontario, Canada.

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