What carries disease?

There are many things that can carry diseases, including:

* Mosquitoes: Mosquitoes can carry diseases such as malaria, dengue fever, and yellow fever.

* Ticks: Ticks can carry diseases such as Lyme disease, Rocky Mountain spotted fever, and tularemia.

* Fleas: Fleas can carry diseases such as typhus, plague, and tapeworms.

* Lice: Lice can carry diseases such as typhus, trench fever, and body lice.

* Animals: Animals such as dogs, cats, and rodents can carry diseases such as rabies, toxoplasmosis, and hantavirus.

* Humans: Humans can carry diseases such as the common cold, flu, and measles.