Warts(verrucas) are caused by HPV virus. They can spread to other people through contaminated surfaces or from close skin contact. A wart is more likely to spread if the involved skin is wet or damaged. It may take months for a wart to appear after infection with the virus.

Do
Always wash hands after touching a wart
Change socks daily if you have a planter wart
Cover warts with a tape(micropore) while swimming
Avoid cutting a wart while shaving

Don’t

do not share socks, towels or shoes if you have warts
do not bite your nails with warts
avoid walking barefoot in public places if you have a plantar wart
avoid scratching or picking a wart

Author's Bio: 

Dr. Sumit Sethi is a Dermatologist and Skin Specialist practicing in Janakpuri, Dwarka and West Delhi. He has an adequate years of experience in treatments such as Wart Removal In Janakpuri, Acne Scar Treatment in Janakpuri, Laser Hair Removal in Janakpuri, Dwarka and West Delhi.

http://www.dermastation.com/blog/warts-warts-removal-in-delhi-verrucas/