CDC influenza surveillance report no. 19, October 1, 1957
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CDC influenza surveillance report no. 19, October 1, 1957

Filetype[PDF-3.60 MB]

  • English

  • Details:

    • Alternative Title:
      Asian strain influenza 1957 through September 30, 1957 [map];Use of monkey kidney tissue culture in diagnostic procedures for influenza;
    • Description:
      "Influenza has now been reported from at least 196 counties in the United States. Many of the outbreaks have been limited to school and colleges, but at least 16 counties in California, Oregon, Arizona, Utah, Mississippi, Louisiana, and New York appear to have experienced community-wide epidemics. Attack rates are variable but continue to be roughly between 20 and 30% of involved school groups. In some areas where detailed epidemiologic investigations have been made, school and community-wide outbreaks appear to have occurred simultaneously. This, however, cannot be said for all areas which have experienced school outbreaks to date. Henceforth, because of the large number of new outbreaks each week, influenza information will be presented in map and tabular form. Interesting and unusual epidemic and case reports will be published in detail as before. Influenza encephalitis has been diagnosed in a 6-week-old infant from Mississippi. The clinical picture of convulsions, apnea, and muscle twitching plus recent influenza in four family members tend to confirm this diagnosis. A second serologic confirmation of type B influenza, since the appearance of Asian strain influenza in the United States, was made this week in Portland, Oregon. Twenty-four other influenza isolations in Oregon to date, however, have been Asian strain. Cities in the West South Central Division (Louisiana, Arkansas, Oklahoma, and Texas) again reported a number of deaths due to influenza and pneumonia somewhat above expectancy. This increase came largely from Louisiana cities. Two more deaths associated with influenza have been reported from California. One of these deaths, occurring in a 23-year-old male, appears to be due to uncomplicated influenza because of diffuse bilateral pneumonia and a slight lymphocytosis shortly before death. This makes a total of 18 influenza associated deaths in the United States. A total of 10,699,091 ml of Asian flu vaccine has been released to date. This includes 3,712,059 ml released since September 18. Careful studies continue to show a low incidence of significant reactions with 200 cca or less of vaccines in adults. The use of 500 cca units caused a significant increase in reaction in prison volunteers. Appended to this report is a discussion of the use of monkey kidney tissue cultures in laboratory diagnostic procedures for influenza.." - p. [2]

      Influenza map and tables:"A new method of influenza reporting has been adopted for this Report. To date it has been possible to handle ass reports of cases and outbreaks individually in this office. These reports have been presented as they have come to us in the first 18 Influenza Surveillance Reports. The volume of information flowing into the Influenza Surveillance Unit has markedly increased, however, in the past two weeks. Henceforth a map and a tabulation will provide the basic information on the occurrence of influenza in the continental United States. The individual reports will be omitted as a regular reporting procedure." - p. 3

    • Content Notes:
      October 1, 1957.

      "For official use only; not for publication." - cover

      "Information contained in this report is a summary of data reported to CDC by State Health Departments, Epidemic Intelligence Service Officers, collaborating influenza diagnostic laboratories, and other pertinent sources. Much if it is preliminary in nature and is primarily in nature and is primarily intended for those involved in influenza control activities. It is understood that the contents of these report will not be released to the press, except by the Office of the Surgeon General, Public Health Service, U.S. Department of Health, Education and Welfare. State Health Officers, of course, will judge the advisability of releasing any information from their own state." - cover

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