Nyandarua County is a County in the former Central Province of Kenya. Its capital and largest town is Ol Kalou.Formerly the capital was Nyahururu, which is now part of the Laikipia County. Nyandarua County has population of 596,268 [and an area of 3,304 km² Requirements KCSE Mean Grade C (plain) with C in English/Kiswahili and Biology and Chemistry. Diploma in Medical Laboratory Sciences from an institution recognised by KMLTTB. Registered and valid practising licence from KMLTTB.