How does a child normally get pinworm?

Pinworm. The pinworm migrate in the rectum as they mature, then released their eggs usually at 10 pm in the evening and the eggs or ova are excreted in gthe anus, this caused sevee itching, the child scratch his anus and the ova cling to the finger or finger nail and the child put his fingers in his mouth and swallow those eggs and the cycle repeat itself.
Person to person. Usually person to person tramsmission--sandboxes or other play areas may also be a resevoir.