Urgency grows for swine vaccine

Taking precautions: White disinfectant powder is scattered on the ground around buildings at a pig farm in Jiangjiaqiao village in Hebei province. — 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.