CRIMEAN-CONGO HEMORRHAGIC FEVER AMONG HEALTH CARE WORKERS IN IRAN: A SEROPREVALENCE STUDY IN TWO ENDEMIC REGIONS

MASOUD MARDANI Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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MOHAMMAD RAHNAVARDI Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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MOHSEN RAJAEINEJAD Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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KOUROSH HOLAKOUI NAINI Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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SADEGH CHINIKAR Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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FARSHAD POURMALEK Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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MOJTABA ROSTAMI Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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MOHAMMAD HASHEMI SHAHRI Infectious Disease and Tropical Medicine Research Center, Shaheed Beheshti University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health and Institute of Health Research, Tehran University of Medical Sciences, Tehran, Iran; Arbovirus Laboratory, Pasteur Institute of Iran, Tehran, Iran; Department of Infectious Diseases, Isfahan University of Medical Sciences, Isfahan, Iran; Deputy of Health, Zahedan University of Medical Sciences, Zahedan, Iran

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Crimean-Congo hemorrhagic fever (CCHF) has repeatedly caused nosocomial outbreaks among hospital staff. In the summer of 2003, we studied the seroprevalence of anti-CCHF IgG among health care workers who had come in contact with Crimean-Congo hemorrhagic fever patients from three referral hospitals in endemic regions of Iran. A total of 223 eligible staff were examined. Whereas 5 of 129 (3.87%) exposed health care workers tested positive, none of the 94 in the unexposed group did (P = 0.075). Seropositivity was more frequent among those whose intact skin had come in contact with nonsanguineous body fluids (9.52%) and those who had had percutaneous contacts (7.14%). Health care workers exposed to Crimean-Congo hemorrhagic fever patients, those who live in Systan-Baluchestan province, and older health care workers were more prone to seropositivity. Where introduction of high-risk modes of contact cannot be confined, we propose that health care workers take all the protective measures when handling Crimean-Congo hemorrhagic fever patients, particularly their blood and other body fluids.

Author Notes

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