County

Sampling site

Geographical position system location

Kisumu

Katho (Upper Bwanda)

0˚11'44.5"S 34˚51'46.8"E

Elgeyo-Marakwet

Birweto

0˚32'34.32"N 35'26.17"E

Baringo

Timboroa

0˚18'59.3"N 35˚20'05.6"E