CDC influenza surveillance report no. 35, February 12, 1958
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CDC influenza surveillance report no. 35, February 12, 1958

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    "Deaths from influenza and pneumonia in 108 cities have decreased slightly for the first time in six weeks. Mortality in the United States has paralleled that of England throughout the epidemic with a lag in their country of four weeks. It is encouraging to note that the 'second' peak was reached in England four weeks ago and there has been a decline since then, Very little is known about the cause of the secondary increase in deaths in either country, however, and the comparison with English data may be of little predictive value. There is a continued absence of large outbreaks of influenza in this country, despite the elevated influenza and pneumonia death rate. Communications to CDC show that there are probably more sporadic small outbreaks than previously believed, and that these may be responsible for many the deaths. Laboratories have isolated influenza virus from several pneumonia deaths occurring in mid-January, Most of these had typical influenza histories and it is not known how many of the total pneumonia deaths may be caused by unsuspected influenza, We continue to solicit information regarding the elevated pneumonia influenza mortality." - p. 2
  • Content Notes:
    February 12, 1958.

    "For official use only; not for publication."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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