1.   A new study from the California Department of Health Services is casting further doubt on claims of a link between a common childhood vaccine and rising cases of autism.

2.   Aetna agreed last October, for example, to expand payments for childhood vaccines in California, in an agreement with the California Medical Association.

3.   Consumer pressure to remove the mercury-containing preservative thimerosal from childhood vaccines has also contributed to current shortages.

4.   Dr. Richard Mahoney of the International Vaccine Institute in Seoul, South Korea, finally asked the younger Gates if he intended to donate more for childhood vaccines.

5.   Federal and state officials and doctors across the country are expressing alarm at shortages, delays and uncertainty in the production and supply of major childhood vaccines.

6.   He proposed that the government buy up all childhood vaccine and distribute it.

7.   Need proof that childhood vaccines really work?

8.   Once they get a little older, those infants are more likely than ever to get the recommended childhood vaccines.

9.   Poor-country governments need to make existing cheap medicines, such as oral rehydration salts and childhood vaccines, more available.

10.   Some suspect that environmental toxins or childhood vaccines are causing the increase.