Getting the flu vaccine is the best way to protect yourself against the flu and to help prevent its spread throughout a community.

It says the post's duties include "preventing the continuation of human rights violations throughout the world."

International laser defense systems prevent direct nuclear attack on the majority of megalopolized areas throughout the world.

This darter is highly affected by barriers that prevent movement throughout a water system.

It is critical that the entomologist work quickly and efficiently during the autopsy to prevent further insect development throughout the body.

The new tactics help carriers prevent chaos throughout their systems.

Early identification of the disease also helps prevent spread throughout the herd.

It is the only thing that prevents absolute internecine warfare throughout this colony.

Today, the evidence is clear for all to see and we have to act effectively to prevent the situation throughout the world from deteriorating.

It did not prevent the overfishing of many species throughout its first 20 years of existence.