1.   Although such vaccines usually become widely available for children in developed countries, they are out of reach in poor countries.

2.   If anthrax vaccine becomes generally available, some experts say it should be given in addition to antibiotics to people who may have been exposed to anthrax.

3.   If the vaccine becomes available, patients will have to make their own decisions about taking it, he said.

4.   It was two years before polio vaccine became available, says Bee, a fact that still makes her cry.

5.   Most vaccines become effective after two to four weeks.

6.   The new acellular pertussis vaccines could become an important part of those vaccinations, Nennig said in an interview.

7.   The virus also kills chicken eggs, which Webster said could pose a problem if a vaccine becomes necessary, since chicken eggs are traditionally used in developing vaccines.

8.   There is no vaccine yet, but if the cause is a virus, then a vaccine becomes a definite possibility.

9.   They also found that vaccines against mousepox became far less effective.

10.   When a vaccine becomes available, international financial help will be needed to make it available to all who need it in developing countries.