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Hanover Public Schools
Head Lice

Last Updated: 09/09/2010

Head Lice Overview

An adult head louse. (CDC Photo)Adult head lice are small, wingless parasitic insects about 2.1-3.3 mm in length. Head lice infest the head and neck and attach their eggs to the base of the hair shaft. Lice move by crawling; they cannot hop or fly. Head lice infestations (pediculosis, pronounced peh-DICK-you-LO-sis) are spread most commonly by close person-to-person contact. Dogs, cats, and other pets do not play a role in the transmission of human lice.

Female head lice glue their grayish-white to brown eggs (nits) securely to hair shafts. The eggs are difficult to remove without a special “nit-comb”. The nits are generally near the scalp, but they may be found anywhere on the hair shaft.

* Photo provided by the CDC: An adult head louse
** Other information may be found on the CDC website.

Information About Head Lice
Head Lice and Nit Removal Demonstration
School Nurse Contact Information
  • Cedar Elementary School
    Maura Dowling, BS, RN
  • Center Elementary School
    Carol Krall, BSN, RN
  • Sylvester Elementary School
    Maureen Shea, BSN, RN, M.Ed, NCSN
  • Hanover Middle School
    Alice Downs, BSN. RN, CCM
  • Hanover High School
    Rosalind Davis, BS, RN