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Update: Respiratory Virus Surveillance -- United States, 1984

Reports of noninfluenza respiratory virus isolations from certain state and university laboratories received by CDC through March 16, 1984, show that respiratory syncytial virus (RSV) identification rates peaked in December in the South Atlantic and East South Central regions and in January in the West North Central, West South Central, and Pacific regions. The New England, Mid-Atlantic, East North Central, and Mountain regions have had continued high RSV identification rates through February. New England reported the largest number of RSV identifications for February and March; 198 of 543 specimens tested were positive for RSV (Table 2). Reported by LL Minnich, MS, CG Ray, MD, Arizona Health Science Center, Tucson; B Lauer, MD, M Levin, MD, University of Colorado Health Sciences Center, Denver; C Brandt, PhD, HW Kim, MD, Children's Hospital National Medical Center, District of Columbia; L Pierik, K McIntosh, MD, The Children's Hospital, Boston, Massachusetts; T O'Leary, TC Shope, MD, University of Michigan Medical Center, Ann Arbor; HH Balfour, MD, University of Minnesota Hospitals, Minneapolis; C Reed, GA Storch, MD, St. Louis Children's Hospital, St. Louis, Missouri; ME Kumar, MD, Cleveland Metropolitan General Hospital, Cleveland, Ohio; P Swenson, PhD, North Shore University Hospital, Manhasset, CB Hall, MD, University of Rochester Medical Center, Rochester, New York; H Friedman, MD, S Plotkin, MD, The Children's Hospital of Philadelphia, Pennsylvania; M Kervina, MS, E Sannella, MS, PF Wright, MD, Vanderbilt University School of Medicine, Nashville, Tennessee; L Corey, MD, Children's Orthopedic Hospital, Seattle, Washington; Respective State Virus Laboratory Directors; Div of Viral Diseases, Center for Infectious Diseases, CDC.

Editorial Note

Editorial Note: In general, outbreaks of RSV in the United States last between 2 and 5 months. The number of RSV isolates was declining in February in five regions, suggesting that the RSV outbreak is coming to an end in these regions 3 to 4 months after its onset. For the other four regions, the number of isolates was stable or increasing in February.

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