Urgency for Vaccine Grows as Virus Ravages China’s Pigs

Pigs eat feed at a pig farm in Panggezhuang village in northern China's Hebei Province on May 8, 2019. As a deadly virus ravages pig herds across Asia, scientists are accelerating efforts to develop a vaccine to help guard the world's pork supply. Mark Schiefelbein/AP

BEIJING—Scientists are working to develop a vaccine to help guard the world’s pork supply as a deadly virus ravages Asia’s pig herds.

Farmers have long contained its spread by quarantining and killing infected animals, but the disease’s devastating march into East Asia is intensifying the search for another solution.