Unclean or in a journey — Under these two instances the Hebrews think that other hindrances of like nature are comprehended; as if one be hindered by a disease, or by any other such kind of uncleanness; which may seem probable both from the nature of the thing, and the reason of the law which is the same in other cases.
Related Commentaries of Numbers 9:10
Numbers 9:10
10 Speak unto the children of Israel, saying, If any man of you or of your posterity shall be unclean by reason of a dead body, or be in a journey afar off, yet he shall keep the passover unto the LORD.