Volume s1-23, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645


In an extensive area covering vast regions of Texas, Louisiana, Florida, and the southeastern Atlantic states, predominates greatly over other varieties of ticks. Three recent tick surveys made by Anigstein and Bader (1), by Kohls and McGregor (5) in the region of West Columbia, Texas, Brazoria County, in connection with an outbreak of spotted fever revealed that in about six thousand ticks collected only were found.

. In 1937, a child, G. C., female aged five years residing in Alvin, Texas, Brazoria County, was admitted to the John Sealy Hospital and died after a period of seven days. The chief complaints were fever, vomiting, intense hyperaesthesia over the entire body, a petechial rash appearing first on the extremities and extending to the body.

Laboratory data showed a positive serum agglutination in a dilution 1:320 for Proteus X. Rickettsial bodies found recently by Anigstein and Bader were similar in appearance to those found in Cases 3 and 4.


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  • Received : 11 Dec 1942
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