Volume 87, Issue 3
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



An important variable in determining the vectorial capacity of malaria mosquito species is the degree of mosquito–human contact. This parameter can be affected by community sleeping behavior and the host-feeding habits of vectors. A cross-sectional study of 775 randomly selected inhabitants, including 385 Baluchi residents and 390 Afghani refugees, was conducted in a malarious area in Sabaz District, Sistan-Baluchestan Province, southeastern Iran. In addition, monitoring of human landing periodicity of main malaria vectors was carried out during an entire transmission season. Afghanis and Baluchis showed diversity in sleeping behavior. Most (79.6%) respondents were familiar with symptoms of malaria and also aware of an association between mosquitoes and malaria. Despite this familiarity, 94.6% of Afghan refugees, 74.8% of Baluch residents, and 87.2% of study participants did not use self-protection preventive measures. Overall, only 8.8% of participants reported using bed nets regularly. Surveyed persons used bed nets mainly during second quarter of night. Three major species of malaria vectors (, , and ) started biting by sunset and continued throughout the night. The results of present study indicated that synchronization of encounters between inhabitants and mosquito vectors was caused by poor self-protection and sleeping behavior of inhabitants. In addition, diversity in culture and behavior of the two communities may cause the prevalence of malaria to be different between them. Therefore, promoting awareness of self-protection against mosquito bites could promote community participation in malaria elimination program in this malaria-endemic region.


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  • Received : 06 Jun 2011
  • Accepted : 31 Mar 2012
  • Published online : 05 Sep 2012

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