Make sure the raccoons are not urinating in your attic or other places where you can injest or experience a cut that exposes you to a lower grade viral infection that may or may not result in Rabies or other serious health problems that may include brain damage, organ damage, respiratory problems, psychiatric problems, and possibly millions of other health conditions that are not understood well enough to correctly identify the causes and conditions and symptoms to the point where the meager immune response can correctly identify and prevent serious health issues and medical science is still in the junk science phase as civilization continues to develop during this era and hopefully more people can understand the complexities of certainty greater than a couple of sigma of significance in the future