China Sees Control of Pig Disease (2/2)

Signs of the disease can include high fever and cases of pneumonia" class="hjdict" word="pneumonia" target=_blank>pneumonia. Pigs weakened by the virus are more likely to get bacterial infections.

The World Organization for Animal Health says the disease happens in most major pig-producing areas of the world. The disease was first recognized in nineteen eighty-seven in the United States. Three years later it appeared in western Europe and spread quickly.

The agency says the disease does not seem to affect animals other than pigs. Experts say they do not know of any cases of humans who have gotten the pig disease.

China is the world's largest producer of pigs. Supply shortages have driven up pork prices this year in China. Still, a Commerce Ministry spokesman said this month that China exported 62000 metric tons of pork in the first half of the year. That compared with pork exports of 246 tons for all of last year.