Head lice are currently being considered as vectors (able to carry disease). At the moment though there is nothing to prove that lice can carry or transmit virus or disease to humans..
Pubic lice are often associated with other sexually transmitted diseases (STDs) but do not spread them.
What kind of lice do you mean?There are three different kinds of lice that affect humans (head lice, scabies or body lice, and pubic lice).The Centers for Disease Control (CDC) has a great overview on their website: http://www.cdc.gov/lice/index.html
The elderly are vulnerable to typhus and other diseases carried by lice.
mosquito
Tick
No, mosquitoes do not carry lice, however mosquitoes carry many diseases e.g. malaria and HIV/AIDS as do lice.
No they are not harmful, they are just a nuisance. They spread very quickly and are hard to get rid of.Lice are known to carry diseases. As long as you are near a hospital with modern medicine, you should be alright
In general, patients are more at risk from typhus, trench fever, rickettsial infections, and other diseases spread by lice than from the lice themselves.
Patients with pubic lice should be examined and tested for other STDs.
Lice treatment is necessary because having lice is very unhealthy and can lead to other diseases. Lice can also spread from human to human, and it's a type of nuisance that makes one unpleasant to be around.
While pubic lice can cause itching, they do not spread other infectious diseases and infestation has no long-term consequences.
Mainly because lice often carry diseases. During and right after World War I, a disease called typhus killed millions of people, and it was primarily spread by lice.