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Journal : Indonesian Journal of Tropical and Infectious Disease

DIVERSITY, DOMINANCY, AND PERIODICITY OF MOSQUITOES IN FILARIASIS ENDEMIC AREAS IN SAMBOREJO VILLAGE TIRTO DISTRICT PEKALONGAN REGENCY Wibawaning Astuti, Raden Roro Upiek Ngesti
Indonesian Journal of Tropical and Infectious Disease Vol. 7 No. 6 (2019)
Publisher : Institute of Topical Disease Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (644.845 KB) | DOI: 10.20473/ijtid.v7i6.10385

Abstract

Vector-borne mosquito diseases are still as a public health problem in the world, including in Indonesia.  Many of mosquitoes species are significantly as vectors of patogen, such as virus, bacteria, protozoan, and helminths due to human health. Samborejo Village is one of filariasis endemic areas and it is still in a high mf-rate. Each of mosquito species has a differential of distribution, bioactivities pattern, and type of habitat of their breeding sites  with others.  The objective of this study was to determine the diversity, dominancy, and periodicity pattern of mosquitoes during night time in Samborejo Village Tirto Distric Pekalongan Regency.  Mosquitoes collections were done by landing method, from 6 pm - 6 am of in an hour period of collection, for biting and resting  activities and also for indoor and outdoor collection respectively. Mosquitoes were then identified and the diversity was analized by Shannon-Wienner Index. The total number of each species was served in percent. Totally there were 339 collected mosquitoes, consisting of 165 (48.67%) females and 174 (51.33%) males. Of all, there were 4 species identified which were Culex quinquefasciatus  (92.1%), Culex tritaeniorhynchus (0.6%), Culex vishnui (1.8%), and Aedes aegypti (5.5%). Samborejo Village showed in low diversity with the index of 0.338, and Cx. quinquefasciatus to be the dominant species in this area. Culex quinquefasciatus also became the frequent species in each period of collection for indoor and outdoor, and it showed the indoor active biting at 9 pm, 01 am, and 03 am; furthermore, the outdoor active biting was  at midnight (00) and at 03 am. However,  Aedes mosquitoe was showed active biting in earlier, it was at 6 pm, 7 pm, and at 02 am.
The Existence of Leptospira interrogans on Rats and The Transmission Potency in Public Areas: School, Traditional Market, and Settlement in Yogyakarta Wibawaning Astuti, Raden Roro Upiek Ngesti; Yuangga, Salsabila Rifda; Fahrunniam
Indonesian Journal of Tropical and Infectious Disease Vol. 11 No. 2 (2023)
Publisher : Institute of Topical Disease Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ijtid.v11i2.46918

Abstract

Leptospirosis is a zoonotic disease caused by bacterial infection, Leptospira interrogans. Indonesia is known for being an endemic country of this disease and Yogyakarta Special Province has become one of the regions with high cases of Leptospirosis. There was lack of information on the L. interrogans prevalence on rats at the public areas, such as school and traditional market. This research was conducted to determine and predict the potential Leptospirosis transmission in public areas, especially in schools, traditional markets,. and the settlement of Yogyakarta. Wild rats were collected from several public places (elementary schools, traditional markets, and Settlement areas) by using single live traps. The rat's blood was centrifuged to obtain the serum. The serum was tested by using immunochromatography of Leptotek Lateral Flow. The collected rats and shrews were euthanized and then identified for the species and the morphological features. Total of 27 rats (67.5%) and shrews 13 (32.5%) were collected. There were six species of collected rats, namely Rattus argentiventer, Rattus norvegicus, Rattus tanezumi, Rattus tiomanicus, and Bandicota bengalensis, while the collected shrew species was Suncus murinus. The rats and shrews from traditional market were negative with L. interrogans, however the positive results was in elementary schools (14.28%), that were from R. norvegicus and S. murinus, moreover the positive infection also showed in the settlements (57.14%), that were from R. argentiventer, R. norvegicus, and R. tiomanicus. These findings indicated that school and settlement must be a concern for the leptospirosis transmission.