11.   Supplies of some required childhood vaccines have run so low that doctors are being asked to postpone the shots.

12.   The fund would be modeled on an existing fund to help children hurt by childhood vaccines.

13.   The federal government would have purchased all childhood vaccine and distributed it at no charge to all children, regardless of family income.

14.   The Institute of Medicine has no authority to force manufacturers to recall supplies of childhood vaccines containing mercury, the report said.

15.   The plants manufactured a flu vaccine, several childhood vaccines, a drug used in eye surgery and a snakebite anti-venom product.

16.   The world knows how to administer childhood vaccines, a simple and cheap measure that saves three million lives a year.

17.   There are shortages of the childhood vaccines for diphtheria, tetanus, whooping cough and pneumococcal disease.

18.   An Institute of Medicine committee of experts said it found no link between a childhood vaccine for measles, mumps and rubella immunization and the neurological disorder autism.

19.   But she said the group is renewing its call for removal of all childhood vaccines containing thimerosal.

20.   Scientists say the protection many people had from their childhood smallpox vaccine has largely worn off.