Here are a few:
In 1300...the plague. You can still get it today from rats and other rodents. oh well......................
No. Wild rats can have diseases, but are not poisonous.
Rats started of with the germs and diseases all over the world. Then flies bit them, carrying the rats diseases with them. They then bit other people giving them the diseases. Hope that answered your question! lol
The same ways we do.
Yes.
PLAGU
plegue
Rats are still a problem to day because they carry deadly diseases andcould bite you and infect you with the diseases!
Rat disease
they spread the plague, again.
They carry many diseases such as rabies and many other although rat poison (made by human) is poisonous to all animals
Cancer
weil's disease, plague