
Influenza exerts a significant health burden on human populations across temperate, subtropical and tropical regions [1]. The striking seasonal pattern that characterizes influenza in temperate populations has long suggested a causal link between seasonal fluctuations in climatic and social factors and influenza transmission [2]–[4]. Temperate regions of the northern and southern hemispheres are characterized by highly synchronized annual influenza epidemics during their respective winter months
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Can follow-up examination of tuberculosis patients be simplified?
In India, where nearly 1.5 million tuberculosis (TB) patients a year are reported by the Revised National Tuberculosis Control Programme (RNTCP), each patient undergoes two sputum smear examinations as follow-up on at least three occasions while on treatment to assess response to therapy.
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