Farmer Gao Yongfei is paying much closer attention to his more than 5,000 pigs than ever before. That's because hundreds of pigs at farms nearby are dying from a mysterious virus, and Gao and his staff are now vigilantly checking his herd for symptoms of African swine fever. "You know the pig is sick if its mouth has turned dark and it's acting crazy," says the 64-year-old owner of Yongfei Livestock Farm. "When you find a pig that has the fever, you need to slaughter it immediately." Yongfei Livestock Farm is in Yueqing, a city in China's southeastern province of Zhejiang, the third place in China where authorities reported an outbreak of African swine fever in mid-August. Since then, there have been seven additional outbreaks, one every few days or...
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A Deadly Virus Threatens Millions Of Pigs In China