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Haghshenas, Mr, Hosseini, E, Babamahmoodi, F, Nandoust-Kenari, Sh, Tabrizi, A,
Volume 9, Issue 3 (Jul,Aug2015[PERSIAN] 2015)
Abstract

Abstract

Background and Objective: Influenza is an acute respiratory infection caused by Influenza virus with three kinds of A, B and C . This virus  spreads througout  the world   and produce some epidemics with different intensities . This study aimed to determine the prevalence of influenza B in patients reffering to health centers.

Material and Methods: this study was conducted on 878 samples in 2011-2013.  Using PureLinkTM Viral RNA/DNA Kit,  Influenza-RNA was extracted. Then Influenza B was distinguished by using  SuperScript III Platinum, Quantitive Real Time PCR System from InvitrogenTM , specific primers and probs.

Results: the rate of Influenza B positive was %5.58 of the patients that %55.10 of them were female and %44.89 male. The highest rate was related to 31-40 and 51-60 year old patients.

Conclusion:

given the prevalence of  influenza B virus and lack of genetic changes , it is recommended that a proper vaccine for improving immunty and effective drugs for treatmet be used.

Keywords: Influenza B Virus; Respiratory Tract Infections; Common Cold; RT-PCR



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