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[BDSP. Notice produite par INIST k7i9R0x2. Diffusion soumise à autorisation]. Previous studies have suggested using school-based surveillance to monitor epidemic influenza-like illness in a community. Since the late 1970s, no studies have sought[...]![]()
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L. SIMONSEN ; J. BUFFINGTON ; B.J. GROSSMAN ; R.C. HOLMAN ; L.B. SCHONBERGER ; C.N. SHAPIRO ; T.W. STRINE ; A.E. Williams ; Cent disease control prevention. National cent infectious diseases. Div viral rickettsial diseases. Atlanta GA. USA |[BDSP. Notice produite par INIST LUR0xMO0. Diffusion soumise à autorisation]. In December 1991, US blood centers reported an unusual increase in donations that tested falsely reactive for antibodies to two or more (multiple false positive) of th[...]![]()
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