If you educate the public about dangerous diseases they can protect themselves, which will help to halt the spread.
如果你能教育公众如何来防治危险疾病,他们就能够保护好他们自己,从而阻止疾病的传播。
and having different effects. One poison acts on the nerves, the other on the blood.
不同毒蛇产生的毒液产生的效果不同,一种毒液作用于神经,另一种毒液作用于血液。