Published in Vaccine Weekly, December 20th, 2000
The current number of participating physicians represents a 312% increase, and the number of active surveillance sites represents a 228% increase compared with this time last year.
"The increased number of physicians and surveillance sites creates greater reporting depth, increasing accuracy and reliability in pinpointing and tracking localized flu outbreaks as they are reported, at...
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Source: Vaccine Weekly (2000-12-20)
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