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Update: Respiratory Virus Surveillance -- United States, 1984

Reports of noninfluenza respiratory virus identifications from certain state and university laboratories received by CDC through April 16, 1984, show that respiratory syncytial virus (RSV) identification rates have steadily declined throughout the United States, with the exception of the Pacific region. The rate of RSV identification in that region continued at a low but constant level through March (Table 6). Identification rates peaked in December in the South Atlantic and East South Central regions; in January in the West North Central, West South Central, and East North Central regions; and in February in the New England, Mid-Atlantic, and Mountain regions. Identification of RSV was highest for the entire United States in February. New England reported the largest number of RSV identifications for March and April; 128 (27.2%) of 470 specimens tested were positive for RSV. 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, Missouri; ME Kumar, MD, Cleveland Metropolitan General Hospital, Ohio; P Swenson, PhD, North Shore University Hospital, Manhasset, CB Hall, MD, University of Rochester Medical Center, New York; H Friedman, MD, S Plotkin, MD, The Children's Hospital of Philadelphia, Pennsylvania; DM Bell, MD, Lebonheur Children's Medical Center, Memphis, 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: RSV outbreaks are known to vary from year to year in their time of onset, peak occurrence, and duration. From this year's surveillance data, the characteristics of RSV outbreaks varied among the regions. Additional data are needed to clearly define the temporal and geographic patterns of RSV outbreaks in the United States.

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