Abolghasem Siyadatpanah, Davood Anvari, Amir Emami Zeydi, Seyed Abdollah Hosseini, Ahmad Daryani, Shahabeddin Sarvi, Christine M. Budke, Reza Esmaeelzadeh Dizaji, Mohammad Ali Mohaghegh, Mohammad Hasan Kohansal, Samira Dodangeh, Reza Saberi, Shirzad Gholami
Epidemiol Health. 2019;41:e2019024. Published online June 15, 2019
Human echinococcosis is an infectious disease caused by tapeworms belonging to the species Echinococcus. This parasite has a worldwide distribution and is considered a neglected tropical disease by the World Health Organization. Due to the diversity of Echinococcus spp. hosts, as well as variation in geographical, climatic, and socio-ethnic conditions, the question of the strains or genotypes of Echinococcus spp. that are involved in human infections is important. The aim of this study was to provide a summary of the available data on genotypes of Echinococcus obtained from the Iranian population. Four international databases (PubMed, Scopus, Science Direct, and Web of Science) and 4 Persian databases (Magiran, Scientific Information Database, Iran Medex, and IranDoc) were searched for cross-sectional studies that reported the genotypes of Echinococcus spp. in human echinococcosis cases using molecular methods in Iran through July 2018. The Newcastle-Ottawa Scale was used to assess the quality of the selected studies. A total of 559 cases of human cystic echinococcosis were reported in the 21 included articles. The majority of cases belonged to genotype G1 (89.2%; 95% confidence interval [CI], 80.1 to 95.8), genotype G6 (8.2%; 95% CI, 2.8 to 15.9), and genotype G3 (2.3%; 95% CI, 1.1 to 3.9). Since genotype G1 of Echinococcus appears to be the most prevalent genotype affecting humans in Iran, disease control initiatives aimed at sheep intermediate hosts may be the most beneficial. In addition, educational programs and serological screening in individuals may help reduce the national impact of the disease.
Identification and genotyping of Echinococcus granulosus from human clinical samples in Guilan province, north of Iran Masoumeh Gholami Koohestan, Reza Saberi, Ahmad Daryani, Shahabbedin Sarvi, Meysam Sharifdini, Davood Anvari, Seyyed Ali Shariatzadeh, Seyed Abdollah Hosseini, Shirzad Gholami Parasite Epidemiology and Control.2024; 25: e00353. CrossRef
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Sarcocystosis in Ruminants of Iran, as Neglected Food-Borne Disease: A Systematic Review and Meta-analysis Davood Anvari, Elahe Narouei, Mona Hosseini, Mohammad Reza Narouei, Ahmad Daryani, Seyyed Ali Shariatzadeh, Abdol Sattar Pagheh, Shirzad Gholami, Shahabeddin Sarvi, Dariush Sargazi, Reza Saberi, Seyed Abdollah Hosseini, Abolghasem Siyadatpanah Acta Parasitologica.2020; 65(3): 555. CrossRef
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Freshwater snails, as the first intermediate hosts of trematodes, can cause health hazards in animals and humans. Recently, the World Health Organization has included Iran in a list of 6 countries known to have serious problems with fascioliasis. In addition, cercarial dermatitis is a job-related disease that is seen often in paddy workers, agricultural labourers, and fishermen in Iran, particularly in Mazandaran Province. Many studies have been conducted in Iran to survey larval trematodes in freshwater snails. However, to the best of our knowledge, no comprehensive data exist regarding infections in gastropods. Therefore, the aim of the present study was to estimate the types and prevalence of cercarial infections in snails in Iran. Electronic English-language and Persian-language databases were searched to identify 24 published articles reporting the prevalence of trematode infections in snails (9 species from 6 families) in various provinces of Iran. In total, 4.4% of gastropods were infected with the larval stages of trematodes. According to the studies reviewed in this meta-analysis‚ the highest infection prevalence was found in Radix auricularia (9.9%). Twelve larval species of trematodes were identified, and the highest prevalence of cercariae was found for Echinostomatidae cercariae (4.3%). Among the provinces explored, West Azerbaijan had the highest prevalence of infected snails (16.9%). The presence of trematodes in snails could pose a serious health problem in Iran. Thus, further studies are necessary to characterize these infections in other provinces.
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