In the context of biblical law, the term "infected house" refers to a dwelling that has been contaminated by a form of mold or mildew, often described as a "defiling mold" or "leprous disease" in various translations. This concept is primarily addressed in the Old Testament, specifically in the book of Leviticus, which provides detailed instructions for the Israelites on how to handle such situations.

Biblical Reference:

The primary scriptural reference for an infected house is found in Leviticus 14:33-53. This passage outlines the procedures that the Israelites were to follow when a house was suspected of having a defiling mold. The Berean Standard Bible provides a clear translation of these instructions:

"The LORD also said to Moses and Aaron, 'When you enter the land of Canaan, which I am giving you as your possession, and I put a mildew contamination in a house in the land you possess, the owner of the house shall come and tell the priest, ‘Something like mildew has appeared in my house.’ The priest is to order that the house be cleared before he goes in to examine the mildew, so that nothing in the house will become unclean. After this, the priest shall go in to inspect the house.'" (Leviticus 14:33-36)

Procedures for Inspection and Cleansing:

1. Initial Inspection: The owner of the house must report the suspected infection to a priest. The priest then inspects the house to determine the presence and extent of the mold.

2. Quarantine and Re-inspection: If the mold is found, the house is quarantined for seven days. After this period, the priest returns to re-inspect the house. If the mold has spread, further action is required.

3. Removal of Infected Stones: If the mold has spread, the contaminated stones must be removed and discarded outside the city in an unclean place. The house is then scraped and repaired with new stones and plaster.

4. Final Inspection and Cleansing Ritual: If the mold reappears after the repairs, the house is considered defiled and must be demolished. If the mold does not return, the house is declared clean after a cleansing ritual involving two birds, cedar wood, scarlet yarn, and hyssop.

Theological Significance:

The laws concerning an infected house highlight the importance of purity and holiness in the daily lives of the Israelites. The presence of mold in a house was not merely a physical issue but also a spiritual one, as it rendered the dwelling ceremonially unclean. The detailed procedures underscore the seriousness with which God viewed purity and the lengths to which His people were to go to maintain it.

These laws also reflect God's provision and care for His people, offering a means to restore cleanliness and order. The involvement of the priest in the inspection and cleansing process signifies the intersection of the physical and spiritual realms, emphasizing the role of the priesthood in mediating between God and His people.

Cultural and Historical Context:

In ancient Israel, the concept of cleanliness extended beyond personal hygiene to include one's environment. The laws regarding infected houses were part of a broader system of purity laws that governed various aspects of life, including food, clothing, and bodily health. These laws served to set the Israelites apart from other nations and to remind them of their covenant relationship with God.

The instructions for dealing with an infected house also reflect an understanding of public health and community welfare. By addressing potential sources of contamination, these laws helped prevent the spread of disease and ensured the well-being of the community.