The chapters for today deal with clean and unclean things. Some of them make sense even today, but many were given for clean living in a near desert environment where water is nearly always sparse, and proper hygiene is difficult to maintain.
Matthew 8:18-34 tells of Jesus continuing his healing ministry. . He healed many , including the strange encounter with the demon possessed men from east of the Sea of Tiberias; also called the Sea of Galilee). Many wanted to follow him, but Jesus warned them off by telling the price of following him. It also tells of how Jesus calmed the storm.
Leviticus 11 deals with clean (kosher) and unclean food and clean and unclean animals. (Locusts and grasshoppers are o.k.)
Leviticus 12 is a short chapter and deals with purification after childbirth.
Leviticus 13 deals with leprosy and mildew and what to do with both. Things like that are complicated.