The Incans did not have a deadly disease to infect the Spanish with because the Europeans had a stronger immune system.
This is because it eliminates bacteria that could possibly infect your body and you can contract a deadly disease from it.
Your answer is in the question. Fleas are not deadly, so spread beyond the death of the organism they infect. Deadly bacteria die with their host.
It depends on what disease it is.
yes. depression does not infect your body. it does infect your mind though, and by doing that can also infect your spirit.
No. You can not infect other people with it.
yes and it can be a deadly diseas if you have inject some hand sanitazer
Urine is deadly poisonous if unchecked regulaily it can mould and infect the bladder.
No. You can not infect other people with it.
They infect your cells in a certain form.
the flies used to suck the blood of rats, once the flies sicked the rats blood then they would contain the disease called the black plague. these flies would then go to suck on a human and would infect the human with the disease. the disease was deadly it resulted in huge boils and sickness. this was sometimes called the bubonic plague
yes
It is the Aschelminthes Phylum