Age, family history, past health, fitness - nothing provides immunity.

Others have to be given on a regular schedule (every 10 years, for example) because they do not provide permanent immunity.

That provision does not provide immunity for the sort of activities at issue in this investigation.

"That's the way to provide guaranteed immunity to your computer from lightning."

Legislation to provide antitrust immunity to do this is before Congress.

New York's law provides immunity for those who assist in an emergency.

The agreement does not provide immunity to any Drexel employees.

These viruses are thought to even provide immunity against certain types of cancer.

Hepatitis B vaccine usually does not provide immunity for more than 95% to 97% of people.

Bad in a way from which only death provides immunity.