Month LGA No.of samples negatives % negative positive % Prevalence September Girei    45   22.0  48.9   23.0        51.1 September Yola south    45   18.0  40.0   27.0        60.0 October Girei    69   20.0  29.0   49.0        71.0 October Yola south    66   13.0  19.7   53.0        80.3 Total      225       152        67.5

Table 2: The number and% of negative and positive infestations in September and October for Girei and Yola south LGA’s.