11.   The mainland has been silent, except in its offer to sell vaccines at a good profit to its beleaguered neighbor.

12.   The vaccine is sold only by Pasteur Merieux Connaught, a unit of Rhone-Poulenc SA.

13.   Cuba has sold the vaccine in Brazil, Argentina and Columbia.

14.   Merck responded that the data are almost complete, and that it expects to begin selling the vaccine before summer.

15.   SmithKline Beecham has already received permission to sell its vaccine Harvix.