Mosquitoes are parasitic insects which live on human blood, they generally breed in stagnant water and are not at all healthy. Mosquitoes generally breed in dirty water or rather in dirty environment. There are various kinds of mosquitoes, some are there which only bites and leaves behind red bumps along with some which along with biting spreads deadly diseases such as malaria.
There are various mosquito repellant creams as well as coils which are available in the market which keeps us human beings away from such diseases, although the primary thing which we should take care of is to ensure that the environment where we live in must be neat and clean there should not be any stagnant water which will bread mosquito or any other disease spreading insects.