A 2004 outbreak involving pet foods sickened more than 6,000 dogs and a lesser number of cats in Asia.
The outbreak has sickened more than 1,000 people.
The outbreak last month killed 7 people and sickened about 40 percent of the farming town's population of 5,000.
The outbreak eventually killed four children and sickened hundreds of others.
According to official Guangdong provincial statistics, the current outbreak of pneumonia has killed six people and sickened 300.
The E. coli outbreak has sickened 187 people in 26 states, killing one.
The outbreak last fall killed 7 people and sickened 62 others in the metropolitan region.
By August 25, the outbreak had claimed as many as five lives and sickened dozens.
Last year's outbreak, centered in Queens, killed 7 people and sickened 55 others.
The outbreak, from polluted water, sickened 10 percent of the town's 5,000 people.