The Newala epidemic: III. The virus: isolation, pathogenic properties and relationship to the epidemic

This report on a large outbreak of disease, known locally as ‘Chikungunya’, in the Newala district of Tanganyika concerns the circumstances of isolation of strains of virus, some of their properties, and their relation to the epidemic. The work, reported here, started in Newala from 18 February to 10 March, 1953, and continued thereafter in Entebbe.