The Incans did not have a deadly disease to infect the Spanish with because the Europeans had a stronger immune system.
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.
Urine is deadly poisonous if unchecked regulaily it can mould and infect the bladder.
yes and it can be a deadly diseas if you have inject some hand sanitazer
They infect your cells in a certain form.
No. You can not infect other people with it.
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
4
Tuberculosis etiology is cause by Mycobacterium a gram + rod, it is dormant during anerobic condition but deadly during aerobe.
Since disease can come from humans to animals, and vise versa, animals can be in water and infect it with its problems.