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Seroepidemiology of cholera in Iran: a 5- year survey
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Afsoon Sharifnia1   , Bita Bakhshi 2, Mehrdad Hashemi3 , Mohammad Reza Pourshafie4 |
1- Science and Research Campus, Islamic Azad University, Tehran, Iran
2- , Tarbiat Modarres University, Tehran, Iran , b.bakhshi@modares.ac.ir
3- Department of Molecular Genetics, Tehran Medical Branch, Islamic Azad University, Tehran, Iran
4- Department of Microbiology, Pasteur Institute of Iran, Tehran, Iran |
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Abstract: (21949 Views) |
Background: Cholera is a diarrheal disease caused by different serotypes of Vibrio cholerae. More than 200 O-antigen serotypes have been identified. Interestingly, only the O1 and O139 serotypes are known to cause epidemic disease. Different cases of Ogawa and Inaba serogroups have been found during last years in Iran. In this study, seroepidemiology of cholera in Iran between 2004 and 2008 was studied.
Materials and methods: In this descriptive study, fecal specimens (stool or rectal swabs) were cultured in a selective plating media like TCBS. Overnight growth of V. cholerae colony on TCBS was cultured on BHI. Colonies grown on BHI, used for biochemical and biotyping and serotyping tests.
Results: Among 93 clinical strains isolated during 5 consecutive years (2004-2008), different serogroups of V. cholerae O1 (Ogawa, Inaba and Hikojima) biotype El Tor were identified.
Conclusion: This study showed significantly decreasing number of Ogawa strains compared with Inaba strains in recent years in Iran. However, some rare cases of Hikojima strains have been detected in Iran in 2007 and 2008. |
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| Keywords: Vibrio cholerae, Ogawa, Inaba, Hikojima |
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Full-Text [PDF 599 kb]
(4761 Downloads)
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Semi-pilot: Survey/Cross Sectional/Descriptive |
Subject:
Infectious Diseases
Received: 2011/02/12 | Accepted: 2013/05/28 | Published: 2013/05/28
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