Most definitely. The Black Plaque AKA Bubonic plaque killed like 1/3 of the human population. It's reason for spreading...fleas. Then through trade, war, and rats, they would get carried.
Bubonic plague and Cat Scratch disease can be carried by fleas.
Possibly, they can carry various diseases
Fleas can transmit diseases to humans, such as typhus and plague, which can be lethal if not treated promptly. While fleas themselves are not typically lethal, the diseases they carry can pose a serious threat to human health.
Fleas can transmit heart worm, tapeworm, etc. to your animals. Fleas are tiny, but they sure can pass things on to your animal that you wouldn't want. The best thing you can do is always keep up on the flea treatment and preventatives.
Fleas don't carry chlamydia.
Fleas can transmit several diseases to humans and pets, with the most notable being bubonic plague, typhus, and cat scratch fever. They can also spread tapeworms and cause allergic reactions in sensitive individuals. The exact number of diseases linked to fleas varies depending on geographic region and environmental factors, but there are at least a handful of significant illnesses associated with these parasites. Overall, while not all fleas carry diseases, their potential as vectors makes them a concern for public health.
Yes, fleas can infest raccoons.
It depends on the parasite and if they carry a diseases. Mosquitoes can carry malaria, yellow fever, Zika all which have high death rates, especially malaria. Fleas can carry the plague (black death) which killed hundreds of thousands.
Anything that has fleas, can give fleas to guinea pigs.
It probably means having fleas.
It is not safe to pet a cat with fleas because fleas can transmit diseases to humans. It is important to treat the cat for fleas before handling them.
The rats were infected with fleas. The fleas were infected with diseases that were transmitted to people by thr bite of the flea.