6 to 12 million head lice Centers for Disease Control and Prevention http://www.cdc.gov/parasites/lice/head/epi.html Epidemiology & Risk Factors cdc.gov www.cdc.gov/parasites/lice/head/epi.html center for Disease Control and Prevention Centers for Disease Control and Prevention center for Disease Control and Prevention Centers for Disease Control estimated 6–12 million children Centers for Disease Control. www.cdc.gov/parasites/lice/head/epi.html http://www.cdc.gov/parasites/lice/head/epi.html http://www.cdc.gov/parasites/lice/head/epi.html Centers for Disease Control and Prevention http://www.cdc.gov/parasites/lice/head/epi.html According to the CDC http://www.cdc.gov/parasites/lice/head/epi.html estimated http://www.cdc.gov/parasites/lice/head/epi.html. in contact in the United States CDC millions of children 6 to 12 million children According to the CDC 5-10% of school age children have head lice https://www.cdc.gov/parasites/lice/head/epi.html http://www.cdc.gov/parasites/lice/head/epi.html at least six million children Centers for Disease Control and Prevention’s 12 million school kids get head lice every year center for Disease Control and Prevention www.cdc.gov/parasites/lice/head/epi.html Centers for Disease Control and Prevention http://www.cdc.gov/parasites/lice/head/epi.html Centers for Disease Control new cases