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All Journal Indonesian Journal of Tropical and Infectious Disease
Alpha Fardah Athiyyah
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Earth & Planetary Sciences Health Professions Medicine & Pharmacology Public Health

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The Longevity of Aedes aegypti Larvae in Several Water Sources in Surabaya Antonio Ayrton Widiastara; Gabriel Pedro Mudjianto; Etik Ainun Rohmah; Hengki Anggara Putra; Martha Indah Widia Ningtyas; Sri Wijayanti Sulistyawati; Suhintam Pusarawati; Fitriah; Kasiyama Desi Indriyani; Alpha Fardah Athiyyah; Basuki, Sukmawati
Indonesian Journal of Tropical and Infectious Disease Vol. 10 No. 1 (2022)
Publisher : Institute of Topical Disease Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ijtid.v10i1.32209

Abstract

Aedes aegypti transmits the dengue virus that causes Dengue Viring the high number of DVI cases is the existing breeding places of Ae. aegypti. The water sources used by the community and the surrounding environment are essential media for living Ae. aegypti larvae. This recent study aimed to detect the longevity of Ae. aegypti larvae in diff erent water sources in Surabaya and the killing effect of temephos. An analytical observational and experimental study was conducted in August-September 2021. Twenty-instar III Ae. aegypti larvae were put in each 100 ml beaker glass containing diff erent water sources, such as rain, well, mineral, new and used bath water, and antiseptic soapy water. Fungi in water sources were examined. Two groups were set with and without temephos, the final temephos concentration was of 0.00001 ppm. Live Ae. aegypti larvae, pupae, mosquitoes were observed every 24 hours for seven days without feeding. Living larvae were still found on Day 7 in all water sources with and without temephos. There were more larvae live in soapy water without temephos, particularly on Day 2 to Day 6, compared to other water sources either without or with temephos. In contrast, many larvae died in mineral water with temephos. Some larvae turned into pupae, started on Day 1. Pupae and mosquitoes were mostly found in rain water with temephos. Ae. aegypti larvae survived better in soapy water either with or without temephos. Temephos seemed to be effective to kill Ae. aegypti larvae in mineral water, and might induce larvae in turning to pupae and mosquitoes quickly at low concentration.
Human Norovirus Molecular Analysis and Development of Norovirus Vaccine Adinda Juwita Syakila Elizafanti; Maria Inge Lusida; Muhammad Miftahussurur; Alpha Fardah Athiyyah
Indonesian Journal of Tropical and Infectious Disease Vol. 10 No. 1 (2022)
Publisher : Institute of Topical Disease Universitas Airlangga

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/ijtid.v10i1.32699

Abstract

The most common organism of acute viral gastroenteritis is norovirus, which accounts for roughly 20% of all occurrences of acute gastroenteritis globally. The virus kills over 200,000 children each year and is the leading cause of childhood diarrhea in the rotavirus-vaccinated population. This study aims to review available studies regarding the information on the genogroup norovirus in humans, development of norovirus vaccines, and effectiveness of norovirus vaccines. A systematic review using Science Direct, PubMed, and Scopus databases to identify eligible case studies. The search was conducted in September-October 2021. The quality of the included literature used checklists from the Critical Appraisal Skills Program (CASP). All of the six selected studies with populations given RT-PCR intervention showed positive for norovirus infection. The most predominant genogroups in humans are GI and GII. As for the research results of the two selected studies on norovirus vaccine, namely the human phase 2 trial containing two Virus-Like Particles (VLP) genotypes, one study showed efficacy at 18-49 one study at ≥ 60 years of age. This study analysis uses Takeda bivalent vaccine. The vaccine includes norovirus antigens of the GI and GII genogroups, intending to expand its protective immune potential. GI, GII, and GIV genogroups are prevalent in humans. VLP that contains GI.I and consensus GII.4c have been created as the NoV vaccine, providing signifi cant efficacy. Very likely because they contain GI dan GII antigens, which are the genogroups that infect humans the most. Patients given a placebo developed acute gastroenteritis due to norovirus GII.2, indicating a genotype cross-reactivity.
Co-Authors Adinda Juwita Syakila Elizafanti Antonio Ayrton Widiastara Etik Ainun Rohmah Fitriah Gabriel Pedro Mudjianto Hengki Anggara Putra Kasiyama Desi Indriyani Maria Inge Lusida Martha Indah Widia Ningtyas Muhammad Miftahussurur Sriwijayanti Sulistyawati Suhintam Pusarawati Sukmawati Basuki