It wouldn't be long, not a shot directly into the blood stream.

If allowed to get into the blood stream, the poison can kill.

He had a mixture of alcohol and drugs in his blood stream.

What she needed was to rip it right across, to let the rich hot blood stream out.

Also the water had a worm in it that gets into the blood stream.

Of course it's very far down in the blood stream by now.

It takes a couple of seconds for the drug to be carried through the blood stream to the brain.

This means that it can spread to the blood stream and other parts of the body.

He has made a special study of chemical reactions in the blood stream.

The virus then enters the blood stream on the second or third day.