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Influenza-respiratory disease surveillance report no. 85, June 30, 1969
  • Published Date:
    June 30, 1969
Filetype[PDF - 2.25 MB]

  • Corporate Authors:
    National Communicable Disease Center (U.S.), Respiratory Viral Diseases Unit. ; National Communicable Disease Center (U.S.), Laboratory Branch., Respiratory Virology Unit. ; United States, Public Health Service., Office of the Surgeon General., Advisory Committee on Immunization Practice. ; ... More ▼
  • Series:
    Influenza-respiratory disease surveillance report ; no. 85
    MMWR. Morbidity and mortality weekly report ; v. 18, no. 25
  • Document Type:
  • Description:
    I. United States summary 1968-69 -- II. Mechanics of influenza surveillance at the state and local levels -- III. International note -- IV. Laboratory report -- V. Special reports [A.International travel and the Hong Kong strains; B. Influenza epidemic in mining company employees, Utah; C. Pneumonia at Grady Memorial Hospital, Atlanta, 1968-69; D. Influenza in Helena, Montana; E. Influenza in family members of Maryland State Health Department employees ] -- VI. Public Health Service Advisory Committee recommendations on influenza vaccine 1969-70

    "During July 1968, an outbreak of A2 influenza occurred in Hong Kong, and subsequent laboratory studies on isolates demonstrated that the virus had undergone a major antigenic shift within the A2 classification. During August and September 1968, the Hong Kong strains spread rapidly to Singapore, Taiwan, the Philippines, Japan, Australia, Iran, Thailand, and India. The first documented introduction of the Hong Kong strains into the United States was in early September. Additional introductions of the virus by international travelers occurred throughout the fall of the year with an occasional small outbreak in a military population. Outbreaks in the civilian population wert' first documented in October, gained momentum in November, were widespread throughout the country in December, peaked at about the first of the year, and fell off in January. In all, 44 states, tile District of Columbia, and Puerto Rico reported widespread influenza A activity. Three states (Mississippi, Oklahoma, and Texas) reported regional activity; and three states (Wisconsin, Nebraska, and Hawaii) reported only isolated outbreaks. There was laboratory evidence of activity by the Hong Kong strains in all states except Nevada." - p. [1]

  • Supporting Files:
    No Additional Files