Clinico-epidemiological profile of patients of h1n1 influenza (swine flu) virus infection at a tertiary care hospital in maharashtra

Authors:V. R. Malkar, U.S. Joge, M. M. Raut
Int J Biol Med Res. 2012; 3(3): 2116-2120  |  PDF File

Abstract

Present study was conducted to study clinic-epidemiological profile of swine flu patients at Government Medical College, Akola, located in Maharashtra state of India. Patients diagnosed in the year 2009 and 2010 were included in the study. Detail information regarding each patient was collected using predesigned proforma. Data was tabulated and analyzed using computerized statistical softwares. Out of total 312 suspected patients 60 (19.23%) were found positive for swine flu on throat swab examination. The incidence of H1N1 Influenza was high in the month of August and September when maximum (82.35% in 2009 and 76.92% in 2010). Out of 60 positive patients, 24 (40%) had history of travel to swine flu affected areas, 11 (18.33%) had history of contact with swine flu cases and 6 (10%) had history of both travel and contact. Majority of patients presented with fever (96.67%) and cough (91.67%). No death was recorded among all confirmed patients. Mean duration of hospital stay was 4 days (range 2-13 days). Majority (76.67%) of patients recovered without any complication. Among the rest, pneumonia (13.33%) was the most common complication. Smoking (23.33%) was found as the most common risk factor followed by alcoholism (16.67%) and bronchitis (13.33%).