Microbiological quality and antibiotic residues in informally marketed raw cow milk within the coastal savannah zone of Ghana.

Objectives: To investigate the microbiological quality and the presence of antibiotic residues in raw cow milk and in some indigenous milk products produced and marketed by the informal sector in the coastal savannah zone of Ghana.

Methods: Milk samples were aseptically collected from 224 kraals and samples of 26 indigenous milk products were purchased from processors and retailers. Total plate counts, total coliform counts and the presence of Escherichia coli and E.

A tuberculin skin test survey among Ghanaian school children.

Background: Ghana has not conducted a national tuberculin survey or tuberculosis prevalence survey since the establishment of the National Tuberculosis Control Programme. The primary objective of this study was therefore to determine the prevalence of tuberculin skin sensitivity in Ghanaian school children aged 6-10 years in 8 out of 10 regions of Ghana between 2004 and 2006.

Methods: Tuberculin survey was conducted in 179 primary schools from 21 districts in 8 regions.