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Scrub Typhus in Thailand

Rates of scrub typhus [ST] in Thailand have been increasing dramatically since the 1970’s.  In fact, the reported incidence of ST in this country is now higher than those of Hepatitis A, Leptospirosis, Melioidosis, Typhoid and even Shigellosis (chart A, below).  Among Asian countries, only south Korea reports higher rates of ST (chart B); and the disease is currently more common in Thailand than are comparable rickettsial diseases in the United States and in my own country (chart C).   In preparing these figures, I was also struck by the similarity in numbers of fatal ST cases reported in Thailand vs. fatal RMSF cases in the United States (chart D). [1-3]


  1. Charts generated using a multi-graph tool in Gideon.
  2. Berger SA. Australo-Asian Spotted Fevers: Global Status, 2017. 63 pages, 16 graphs, 722 references. Gideon e-books,
  3. Berger SA. Infectious Diseases of Thailand, 2017. 461 pages, 169 graphs, 2,015 references. Gideon e-books, https://www.gideononlin


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2 Responses to “Scrub Typhus in Thailand”

  1. Hanh Tran Says:

    Dear Sir/Madam,

    These rates were established based on the (national) surveillence system ?
    Many thanks
    Hanh Tran

  2. Dr. Stephen Berger Says:

    Disease rates were based on Health Ministry statistics (reported cases per year) / Thai population statistics