Encephalitis surveillance annual summary : 1965
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Encephalitis surveillance annual summary : 1965

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Encephalitis surveillance annual summary : 1965
  • Description:
    This report is the annual summary of human encephalitis surveillance for the year 1965. More than 2700 cases including over 170 deaths were reported to the Encephalitis Surveillance Unit. Over one-half the cases were encephalitis of unknown etiology; 36 percent of the cases were post-infectious encephalitis; 11 percent of the cases were caused by arthropod-borne viruses. A large outbreak of WEE occurred in the north central and mountain states. California encephalitis in humans was recognized more frequently than in previous years. In Section III is collected contributions from the states about special investigations of encephalitis in the past year. Isolations of arboviruses from mosquitoes, birds, and other animals are summarized in Section IV. A report from the U. S. Department of Agriculture of clinical encephalitis in horses in 1965 is presented in Section V.
  • Content Notes:
    I. Summary -- II. Morbidity trends - 1965-- III. State reports -- IV. Non-human arbovirus isolations - 1965 -- V. Equine encephaltitis - 1965.
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