Malaria is considered to be an endemic disease because it a. is life-threatening b. is generally spread by mosquitoes c. is commonly found only in tropical climates d. has no available vaccine

C. is commonly found only in tropical climates

Malaria is considered to be an endemic disease because is commonly found only in tropical climates.

Explanation:

Malaria refers to a life-threatening mosquito-borne blood disease caused by parasites that transmit it to people through the bites of infected female Anopheles mosquitoes known as malaria vectors. Malaria is common in tropical and subtropical countries. Individuals who have malaria usually feel very sick with a high fever but and it is preventable and curable.

i i think it might b c