Question

what should countries across the world limit to prevent the spread of malaria?
○ food that is undercooked
○ bites from infected insects
○ contact with infected birds
○ contaminated drinking water

Explanation:

疟疾主要通过受感染的昆虫（如按蚊）叮咬传播。未煮熟的食物、与受感染鸟类接触、受污染的饮用水并非疟疾的主要传播途径。

Answer:

bites from infected insects