Published in TB and Outbreaks Week, October 3rd, 2006
According to a study from the United States, "Enteric illness outbreaks among middle-/high-school students in consecutive semesters of an educational farm program were investigated with retrospective cohort studies.
"During the first outbreak, 31/92 (34%) interviewed students were ill. Risk factors included participating in animal science class (RR 8.1, 95% CI 1.2-55.2) and contact with calves (RR 4.2, 95% CI 1.1-16.2)."
"Stool samples from seven students and two calves yielded Cryptosporidium parvum. Students cared for animals in street clothes and...
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