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Current Trends Influenza Update -- United States

Three type A(H3N2) virus isolates associated with sporadic cases of influenza have been reported from the U.S. Air Force School of Aerospace Medicine in San Antonio, Texas. These isolates were collected on March 3 from an enlisted servicewoman at Eglin Air Force Base in Florida and on March 8 and 9 from 2 young children with influenza at Brooks Air Force Base in Texas. North Carolina has reported its first influenza virus isolates for the season, both type B, collected during the second week of March from 2 children. At the time of the isolations, increased school absenteeism associated with influenza-like illness was noted in western North Carolina by health authorites. The first type A(H1N1) isolates reported from Michigan this season were obtained in early March from 2 adults with sporadic influenza cases. Reported by Epidemiology Division, U.S. Air Force School of Aerospace Medicine, Brooks Air Force Base, San Antonio, C Webb, Jr, MD, State Epidemiologist, Texas State Dept of Health; R Gunn, MD, State Epidemiologist, Florida State Dept of Health and Rehabilitative Svcs; S Neshiem, MD, P Boland, MD, Murphy, K Kleeman, PhD, M Hines, DVM, State Epidemiologist, North Carolina State Dept of Human Resources; A Monto, MD, University of Michigan, Ann Arbor, G Anderson, DVM, W Hall, MD, N Hayner, MD, State Epidemiologist, Michigan Dept of Public Health; Field Svcs Div, Epidemiology Program Office, Influenza Br, Center for Infectious Diseases, CDC.

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