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  Indian J Med Microbiol
 

Figure 1: The map showing the distribution of index cases of rickettsioses and the questionnaire-based survey sites. The locations of typhus fever cases (demarcated as dots) in the selected Medical Officer of Health areas; Tangalle, Ambalangoda, Elpitiya and Karandeniya in the Southern Province and the 1 km buffer-zones were the survey areas (shaded area surrounding cases).

Figure 1: The map showing the distribution of index cases of rickettsioses and the questionnaire-based survey sites. The locations of typhus fever cases (demarcated as dots) in the selected Medical Officer of Health areas; Tangalle, Ambalangoda, Elpitiya and Karandeniya in the Southern Province and the 1 km buffer-zones were the survey areas (shaded area surrounding cases).