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Could PEDv Become Airborne?

22 August 2014

US - Airborne transmission should be considered as a potential route for Porcine epidemic diarrhea virus (PEDV) dissemination as infectious PEDV was detected in the air 10 miles downwind from infected farms.

In a study published by Veterinary Research, Alonso, DP Goede, RB Morrison, PR Davies, A Rovira, DG Marthaler, and M Torremorell, assessed whether PEDV could become airborne and if so, whether the virus was infectious.

Air samples were collected both from a room containing experimentally infected pigs and at various distances from the outside of swine farms experiencing acute PEDV outbreaks.

Results indicated presence of infectious PEDV in the air from experimentally infected pigs and genetic material of PEDV was detected up to 10 miles downwind from naturally infected farms.

Airborne transmission should be considered as a potential route for PEDV dissemination.

PEDV has spread rapidly after being diagnosed in the USA in April 2013.

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