I'm spreading the ball around without any effort at all.

How much more would the disease have spread without quarantine?

"The stories would have spread quickly, even without the other thing."

From there, it could potentially spread to countries without vaccine programs.

This virus was spread without the aid of the Internet.

The strike begins to spread to other areas of the country without any official union involvement.

I am not saying there may not be special cases where it is spread without one or more of these.

But some types are more aggressive and can spread quickly without treatment.

They typically spread themselves without any action by a computer user.

But in some men, the cancer will spread beyond the prostate without treatment.