Matthew Poole and continuators on Numbers 9:10

10 to 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 ye shall keep the passeover unto the LORD.

Under these two instances the Hebrews think that other hinderances of like nature are comprehended, as if one be hindred 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, and from the application of this rule to other cases, 2 Chron. 30.

In some remote countrey, whence he cannot return sooner.