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Surveying respiratory infections among Iranian Hajj pilgrims

Razavi Mansour نويسنده , Ziaee Hossein نويسنده , Mokhtari-Azad Talaat نويسنده , Hamkar Rasoul نويسنده , Doroodi Tahereh نويسنده , Mirsalehian Aliakbar نويسنده , Nakhjavan Farrokh نويسنده , Nejat Farhad نويسنده , Sadeghipoor Hamidreza نويسنده , Masoud Ahmad نويسنده , Kordbacheh Parivash نويسنده , Zeini Farideh نويسنده , Saf-Ara Mahin نويسنده , Mir-Afshar Mohammad نويسنده , Bamdad-Mehraban Kobra نويسنده , Bazarjani Farzaneh نويسنده

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Background: The annual Hajj pilgrimage to Mecca brings over two million people together in a small confined area. Respiratory involvement is the most common disease during this ceremony, and up to now no unique cause has been identified. The present study was conducted to determine the incidence and types of respiratory diseases and their associated etiologic agents. Materials and methods: During this prospective study, seroconversion was assessed for bacteria, viruses and fungi on 170 Iranian pilgrims prior to departure and 2 weeks after convalescence and returning from the Hajj pilgrimage. Meanwhile, sputum specimens of 252 patients were cultured. Results: The following viruses were detected: influenza type A and B (21.5%), adenovirus (36.2%), and RSV (1.9%). Among bacteria isolates, â-haemolytic Streptococcous (9.7%), Haemophilus species (9.1%), Gram negative bacilli (20.6%), Legionella pneumophila (6.3%), Mycoplasma pneumonia (0.8%), and Chlamydia (32%) were more common, however, no fungal seroconversion was noted. Conclusion: We suggest administration of Fluvaccin for high risk groups, adenoviral vaccine for volunteer pilgrims, erythromycin or azithromycine for empiric bacterial therapy, and Oseltamivir or Zanamivir for prophylaxis or treatment of influenza like illness.

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