Sample collection
Eighty-seven (87) palm swabs samples were
collected from each the food handlers. Three
independent replicate surveys of each vendor
were conducted. The palm of each vendor
was swabbed using a sterile cotton swab
moistened in sterile Quarter Strength Ringers
Solution (Oxoid, Basingstoke, UK). All
swab samples were transported to the laboratory
on ice and analyzed the same day. The
vendors were also asked to present their routine
medical health certificate before sampling.