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URL: http://rjms.iums.ac.ir/article-1-3926-en.html
, Sama Haghighi , Behnaz Parvini , Behzad Poopak , Mohammad Hasan Pooriaye vali , Masoud Parsania *
Background: There is a large overlap among various etiologic agents of lower respiratory tract infections (LRTI). Human metapneumovirus (hMPV) is a novel agent which could cause a similar clinical picture as RSV which necessitate more evaluation in developing countries
Methods: In this cross sectional study, pharyngeal swabs from admitted kids with LRTI under 5 years of age were analyzied by RT-PCR methods with standard methods for both viruses and clinical and laboratory parameters were compared by appropriate statistical methods.
Results: 32 cases with mean age of 14.31mo (+/- 14.98) were enrolled including 9 cases of Hmpv and 23 cases with RSV infections.56 % cases were female. There was a significant difference between two group regarding mean age [RSV cases were younger (p=0.026)]. Lymphocyte percentage were also significantly different (p=0.02).Also mean body temperature and frequency of cough were different (P values were 0.02 and 0.015 respectively).All RSV cases survived but 2 out of 9 cases of hMPV died.
Conclusion: There are some diffrenet clinical and demographic issues which may help to differentiate these two viruses. More prospective studies will be helpful to clarify other possible differences among these viruses.
