NIH is used for
NIH swabs are used to collect eggs of Pinworm (Enterobius) Eggs are collected from the perianal skin by NIH swab or cellophane tape. Pinworms are not released in feces, the diagnosis cannot be made by conventional fecal ova and parasite tests
Pinworm
Whip worm
Round worm
hook worm
FMGE 2019