Word: norwalks
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When the epidemic began one night last month, doctors at the University Health Services said they had to hook up approximately three dozen students up to IVs. That fact suggests that Harvard students got a very large dose of Norwalk agent...
Experts said some students could still be getting sick with the same Norwalk agent that caused the December epidemic...
This resistance results from the build-up of antibodies. In order to find conclusive evidence that the Norwalk virus was responsible for the outbreak, epidemiologists from the CDC will test blood samples from victims of the epidemic for antibodies specific to the agent...
Only the "first wave of evidence makes the Norwalk agent seem most likely," Freeman said. The virus is very hard to identify because the symptoms are indistinguishable from many other gastroenteritis cases...
...tests do not find antibodies for Norwalk, the cause of the epidemic may remain a mystery...