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CDC influenza report no. 18, September 24, 1957
  • Published Date:
    September 24, 1957
Filetype[PDF - 4.14 MB]


Details:
  • Corporate Authors:
    Communicable Disease Center (U.S.), Influenza Surveillance Unit.
  • Description:
    I. Summary of information – II. Epidemic and case reports – III. Progress reports– IV. Reports of influenza reported deaths – V. Influenza vaccine and distribution – VI. Miscellany – VII. Current analysis of influenza and pneumonia mortality, Weekly pneumonia and influenza deaths, Interpretation of ‘epidemic threashold’– VIII. Summary tables: cases and outbreaks Appendix A: Influenza symptomology in infants and young children, Syndey, Australia, Summer 1957

    Summary tables-cases and outbreaks: Table I. Confirmed outbreaks and case of influenza due to Asian strains, United States (September 18-123). Additions and revisions since Report no. 15-see Report no. 15,16, and 17 for complete listings -- Table II. Unconfirmed influenza-like illness, outbreaks-United States (September 18-23). Additions and revisions since Report no. 15-see Report no. 15,16, and 17 for complete listings – Table III. Outbreaks of febrile respiratory diseases-etiology other than Asian strain influenza or no specimens obtainable: No additions, omitted from this report – Table IV. Deaths: reported instances of deaths specifically associated with influenza, United ‘states, June 1, 1957 through September 23, 1957

    Explanation of the influenza forms: A. Influenza epidemic summary [PHS 4.147a (CDC) 9-57] – B. Current report of influenza outbreaks [PHS 4.147? (CDC) 9-57] – C. School and industry survey [PHS 4.147? (CDC) 9-57] – D. Influenza case investigation [PHS 4.147o (CDC) 9-57] – E. Household survey [PHS 4.147? (CDC) 9-57] – Guide for epidemiologic investigation of influenza

    "It is now evident that the opening of schools has resulted in a great increase in influenza cases. Most of the new epidemics reported are in schools and colleges in all sections of the country. Weather conditions appear to be unrelated to the recent increase, because many of these have occurred in Utah, Florida, and Arizona where mild weather prevails at this season. A listing of school outbreaks published below demonstrates their general character. Attack rates are averaging about 20% and complications have been rare. These school-centered outbreaks are already beginning to spread to the general community. A twenty-two-tear-old serviceman died in Arizona with Staphylococcal aureus pneumonia following influenza. He had received antibiotic therapy. This is the sixteen death due influenza or complications reported in this country. Fourteen others have been reported from Hawaii and Puerto Rico. Staphylococcal pneumonia has been a prominent cause of death in the younger age group in the United States. The weekly analysis of excess mortality from influenza and pneumonia in American cities reveals no remarkable increases. A tote of 6,957,032 ml. of Asian flu vaccine has been released to date. This includes 1,526,590 ml. released during the week September 11-18. Estimated vaccine production: September 12,200,000 ml, October 24,500,000 ml., November 34,500,000 ml. The subcutaneous injection of 1.0 ml. of Asian flu vaccine is recommended for routine adult vaccinations. Recent studies suggest that a single intradermal inoculation with 0.1 ml. is not a satisfactory substitute, and that a second 0.1 ml. intradermally is necessary in order to approach antibody responses obtained with the full 1.0 ml. subcutaneously. As part of world program sponsored by WHO, swine and horse infection by Asian strain influenza is being studied by state USPHS veterinarians. Pre-epidemic serum specimens are being frozen and will be compared with specimens from the same animals following t a human flu epidemic. An appendix describes the symptoms of influenza in infants and young children during the recent influenza epidemic in Sydney, Australia." - p. [2]

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