| Headteachers have been told to stop sending warning letters to parents alerting them to outbreaks of head lice in schools. |
| Infested people usually have no more than 10 to 12 live head lice at a time but can harbor hundreds of eggs and nits. |
| The best way to prevent head lice spreading is to check your whole family's scalps regularly and treat them as soon as live lice are found. |
| When head lice are forced to live on the body they become transformed into body lice. |
| She had been locked away with a convicted murderer, and she had emerged with head lice and flea bites. |
| Permethrin is already known by many consumers as an ingredient in head lice shampoos for children. |
