Head lice are most often spread by direct head-to-head (hair-to-hair) contact. However, they spread much less constantly by sharing objects or clothes that lice have crawled on or nits attached to hair may have fallen out. The chance of being infested by fallen louse on a carpet or furniture is very low. Head lice fall from a person can survive less than 48 hours and cannot feed, nits cannot spread and usually die within a week if not kept at the same temperature as found near the scalp.
Here are the steps
Firstly that can help prevent and control the spread of head lice:
Secondly Avoid head-to-head (hair-to-hair) contact during games and other activities at home, school, and elsewhere (sport, playground, pajama party, camping).
Thirdly Do not share clothing with others such as clothes, shoes, hats, scarves, jackets, sports uniforms, hair ribbons or barrettes.
Most Importantly Do not share combs, brushes or towels. If any person used your brush or comb disinfect them in hot water for 5 to 10 minutes.
In addition Do not lie on beds, sofas, pillows, rugs, or stuffed animals that may have recently come into contact with an infested person.
Moreover, you don’t need to spend a lot of money & time on cleaning house and similar activities to avoid re-infestation with lice or nits that may have fallen from your head or crawled onto furniture or clothing.
Importantly Children should learn to avoid such activities that can cause lice. To control a lice outbreak in school, or camp. In accordance to How to use hair dryer for lice.