Analyzing seasonality of tuberculosis across Indian states and union territories

Journal of Epidemiology and Global Health
Pankaj NarulaPietro Lio

Abstract

A significant seasonal variation in tuberculosis (TB) is observed in north India during 2006-2011, particularly in states like Himachal Pradesh, Haryana and Rajasthan. To quantify the seasonal variation, we measure average amplitude (peak to trough distance) across seasons in smear positive cases of TB and observe that it is maximum for Himachal Pradesh (40.01%) and minimum for Maharashtra (3.87%). In north India, smear positive cases peak in second quarter (April-June) and reach a trough in fourth quarter (October-December), however low seasonal variation is observed in southern region of the country. The significant correlations as 0.64 (p-value<0.001), 0.54 (p-value<0.01) and 0.42 (p-value<0.05) are observed between minimum temperature and seasonality of TB at lag-1 in north, central and northeast India respectively. However, in south India, this correlation is not significant.

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Citations

May 2, 2020·JAMA Network Open·Andrés M HernandezDiego F Cuadros
Aug 26, 2020·The Journal of International Medical Research·Yishu LiHaitao Yang
May 11, 2016·International Journal of Environmental Research and Public Health·Kai CaoXiuhua Guo
Jul 30, 2016·International Journal of Environmental Research and Public Health·Adeboye AzeezRuffin Muntabayi
Apr 10, 2019·PloS One·Devan JaganathAdithya Cattamanchi

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