Yes, they can for example Bubonic Plague carried by rats can be spread by fleas taking blood from the rat then hopping onto another animal or person thereby infecting them. A direct bite can do the same thing.
They are harmful and spread diseases to other people.
They are harmful and spread diseases to other people.
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
Guinea Pigs do not spread diseases as Rats do.
If rats can't find plant items to feed on, yes rats will feed on garbage or even animals. However, the animals that rats feed on would already be dead. Rats are scavengers; this is also why rats carry so many diseases. Only when rats can find no other food sources will they turn to something living.
In medieval times people were not hygienic and any diseases spread quite quickly throughout the village. Also rats in the sewers carried many diseases and because the sewers were open they could crawl out and pass the diseases to other villagers.
Rats and fleas
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
While typhus diseases are commonly spread by the lice and ticks of rats, Epidemic typhus is spread by the human body louse.
While typhus diseases are commonly spread by the lice and ticks of rats, Epidemic typhus is spread by the human body louse.
Cockroaches are harmful because they spread diseases.They also multiply quicky which means the diseases would spread faster. Rats are harmful because they spread diseases. Flies are harmful because they spread diseases and they have "sticky pads" on their legs, so when they land on junk and fly to your food later on, the bacteria on the "sticky pads" would spread to your food.It is also harmful because sometimes they vomit their stomach's contents onto your food.