Vectors that can spread disease to humans include:

a. Mosquitos

b. Ticks

c. Rabbits

d. All of the above

e. A and B only

Vectors that can spread disease to human include Mosquito, Tick and rabbit.

Explanation:

Vectors are those organisms that itself does't spread disease but transmit diseases by carrying pathogen or acts as a host for carrying the pathogen in their body, which affects the health of an healthy person by creating disease.

Mosquito, Tick and rabbits are excellent vectors as they transmit diseases like malaria, Lyme disease and Plague.

Some other diseases that are spread through mosquito are Dengue, elephantiasis etc.

Some other diseases that are transmitted through Tick are rocky mountain spotted fever, babesiosis etc.

Some other diseases that are transmitted through rat are Salmonellosis, Leptospirosis etc.