Feed or feed transport as a potential route for a porcine epidemic diarrhoea outbreak in a 10,000-sow breeding herd in Mexico.

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Previous infection of sows with a "mild" strain of porcine epidemic diarrhea virus confers protection against infection with a "severe" strain.

Goede, D., Murtaugh, M. P., Nerem, J., Yeske, P., Rossow, K., Morrison, R., (2015). Veterinary Microbiology 176(1/2), 161-164. Elsevier B. V., Amsterdam, Netherlands. English language