A Marked Seasonality to a Disease is Often Indicative Of

Question

A marked seasonality to a disease is often indicative of
A) certain modes of transmission.
B) the presence of carriers.
C) a zoonotic infection.
D) a bacterial disease.

Accepted Answer

Seasonality in disease often suggests that certain modes of transmission are involved, such as insects that are more active during certain times of the year. For example, mosquito-borne diseases like malaria and Zika virus are often more prevalent during the rainy season when mosquito populations increase.