1.   Big vaccine makers like Wyeth have also forged ahead with yearslong efforts to develop vaccines like Prevnar.

2.   Each year, the flu prompts an odd epidemiological gamble, played out among vaccine makers, hospital administrators and patients themselves.

3.   Families with injured children can also sue vaccine makers in cases of negligence or fraud.

4.   Federal authorities require vaccine makers to show only that a vaccine is effective for a reasonable amount of time, usually one year.

5.   In addition, it would provide immunity from lawsuits for vaccine makers, along with exemptions from antitrust laws so companies can work together.

6.   In interviews, regulators said it was not until last year that they learned that some vaccine makers were not complying.

7.   In particular, the new understanding of bacteria will allow vaccine makers to design genetically crippled bacteria to serve as a superior class of live vaccines.

8.   Last week, her family filed suit against vaccine maker Bioport Corp., of Lansing, Mich., alleging that the vaccine is at fault.

9.   Last week, her family filed suit against vaccine maker Bioport Corp. of Lansing, Mich., alleging that the vaccine is at fault.

10.   Regulators immediately demanded that all vaccine makers identify where their biologic ingredients were coming from.