How are lice and nits spread?

Are you worried your child will catch lice from being in a classroom with a child that is infected?  Worried about the fact that your child has to share a helmet?  Research shows the vast majority of cases are spread only from head to head contact. Think hugs, snuggling, and (wait for it)… SELFIES!  Here is an interesting article.  “Guidelines for Controlling Head Lice”  http://www.srhd.org/documents/Health_Topics/Lice-Guidelines.pdf