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CDC influenza surveillance report no. 52, January 22, 1960
Filetype[PDF-2.23 MB]


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    "In the one-week interval since the publication of CDC Influenza Surveillance Report No. 51, January 15, 1960, reports have been received both of the continuation and extension of known outbreaks of clinical influenza, and of the appearance of such outbreaks in new areas of the country. The outbreaks in Southern California and Texas are continuing; other states reporting sharp rises in the occurrence of febrile respiratory disease include Arizona, Massachusetts, Mississippi, Ohio, Pennsylvania, West Virginia, and the District of Columbia. Significant urban epidemics appear to be occurring in Boston and Pittsburgh, continuing in Los Angeles and the major cities of Texas, and declining in Detroit and Columbus. Virus isolations continue to be reported with increasing frequency. Not unexpectedly, the Los Angeles outbreak was confirmed as due to A2 influenza virus. Other states in has been isolated, not previously reported, Pennsylvania, and the District of Columbia. This virus thus far has been isolated in 10 states during the current influenza season. The isolation of type B influenza virus is reported in Louisiana. The analysis of weekly influenza and pneumonia mortality reveals that the total for 106 cities for the week ending January 16th has again increased, and exceeds the 'epidemic threshold' for the second consecutive week. The excess mortality reported is most pronounced in the Pacific region, but is also contributed to by the East North Central, West South Central, and Mountain Regions" - p. 2
  • Content Notes:
    January 22, 1960. "For administrative use." - 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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