Virological surveillance of influenza virus in acute respiratory infection Sakhiya Atul J.1,*, Tanna Kruti2, Vegad M.M.3, Shah Pranay K.4, Panchal Piyush5 1Former Resident, Dept. of Microbiology, B.J. Medical College, Ahmadabad, Gujarat, India 2Former Resident, Dept. of Microbiology, B.J. Medical College, Ahmadabad, Gujarat, India 3Professor and HOD, Dept. of Microbiology, B.J. Medical College, Ahmadabad, Gujarat, India 4Professor, Dept. of Microbiology, B.J. Medical College, Ahmadabad, Gujarat, India 5Tutor, Dept. of Microbiology, B.J. Medical College, Ahmadabad, Gujarat, India *Corresponding Author: Email: atulsakhiya87@gmail.com
Online published on 14 January, 2019. Abstract Introduction Influenza is viral fever with the main symptom of respiratory tract like cough, fever, breathlessness, nasal discharge, sore throat. The influenza affects a large segment of the world population resulting in significant mortality, morbidity and economic loss. Objective To monitor the trend of influenza A virus. To know the prevalence of influenza A, H1N1 and seasonal H3 subtypes of influenza virus. To study the seasonal pattern of influenza A virus. Materials and Methods This prospective study was carried out in the department of Microbiology, B.J. Medical College, Ahmadabad from January 2014 to December 2014. Surveillance samples were taken as per ILI (Influenza like illness) case definition for out Patient department and SARI (sever acute respiratory syndrome) for indoor patients. Total 614 samples are taken and tested with PCR method. Result Out of 614 samples total 201(32.73%) were positive for influenza. Out of 201 positive samples, 13 (2.11%) were positive for swine H1N1 and 11 (1.79%) for seasonal H3, 177 (28.82%) were positive for influenza A. Conclusion Prevalence of influenza 201(32.73%). out of this 13 (2.11%) were positive for swine H1N1 and 11 (1.79%) for seasonal H3, 177 (28.82%) were positive for influenza A. swine H1N1 was common in winter and seasonal H3 was common in late monsoon. swine H1N1 and seasonal H3 both are more common in male than female. swine H1N1 is more in >12 age and seasonal H3 is more common in <12 age. Top Keywords Influenza A, Swine H1N1, Seasonal H3, Fever, cough, Breathlessness. Top |