Clinically visceral leishmaniasis is suspected in only a fraction of infected persons, as the majority of these may not have clinical manifestations and remain asymptomatic. There is scanty information on diagnosing latent infections and predicting disease in asymptomatic persons. We therefore carried out a study on asymptomatic contacts of patients with visceral leishmaniasis and post-kala-aza...

IN the years following 1858, when the British government formally assumed power over the whole of British India, the government of Bengal became concerned by reports of an epidemic of quinine-resistant fever occurring in the district of Burdwan in Lower Bengal. The mortality was so great that the population, the productivity of the land, and consequently the government revenue were greatly dimi...