But they say the disease appears unlikely to become a significant threat to public health.

It has also been considered a significant threat to forests.

Whatever its official status, the sport appears to be under no significant threat.

New Zealand was not subject to any significant direct military threat during the war.

Sounds very much like they believe they're a significant threat.

We were faced with a very serious situation - perhaps the most significant threat in recent years.

The new position represented a significant potential threat to Grant.

Henry the Strong faced his most significant threat from the north.

Hunting is no longer considered to be a significant threat.

For all species, the most significant threats come from people, but they also face many natural enemies.