As climate change continues, the prevalence of vector-borne disease has increased. Why is this?

A. Diseases are more contagious in warmer weather, so as climates have warmed, vector-borne diseases spread faster.
B. The bacteria and viruses that cause disease multiply more rapidly in warmer weather, so as climates have warmed, the pathogens that cause disease are more prevalent.
C. As climates have warmed and winters have become less severe, the range of mosquitos and ticks has increased, bringing with them the diseases they carry.
D. As climates have changed, habitats have changed. Organisms that carry disease have been displaced from their original habitats and have found new habitats, bringing the spread of disease with them.


Answer: C

Biology & Microbiology

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