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Three modes of transmission explain most giardiasis outbreaks

(HealthDay)—Three main modes of transmission have been identified for giardiasis outbreaks in the United States in 2012 to 2017, although a single transmission mode could not be identified for 43 percent of outbreaks, amoxil price according to research published in the March 5 issue of the U.S. Centers for Disease Control and Prevention Morbidity and Mortality Weekly Report.

Erin E. Conners, Ph.D., from the CDC in Atlanta, and colleagues characterized giardiasis outbreaks in the United States during 2012 to 2017. A total of 111 giardiasis outbreaks were reported to the National Outbreak Reporting System by public health officials from 26 states during 2012 to 2017.

The researchers identified three main modes of transmission for these outbreaks: water exposure, person-to-person contact, and contaminated food (26, 25, and 5 percent of outbreaks, respectively). In 43 percent of the outbreaks, a single transmission mode could not be determined. For all transmission modes combined, private residences and child care facilities were the most common settings of outbreaks.

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