1.   Painful typhoid injections are a thing of the past, thanks to the introduction of an oral vaccine.

2.   Antex is developing the oral vaccine with SmithKline Beecham Plc. and the U.S. Navy.

3.   Avant is already developing single-dose oral vaccines to protect travelers against cholera, typhoid fever, and shigella.

4.   A few years after Salk developed his vaccine, Dr. Albert Sabin produced an oral vaccine which was easier to administer and which eventually replaced the Salk serum.

5.   CDC officials believe these numbers can be cut in half by giving children a combination of the oral vaccine and the injections.

6.   Details of the oral vaccine campaign were discussed Wednesday at a rabies seminar for military veterinarians at Fort Sam Houston.

7.   Doctors and health officials will have the option of staying with the old schedule, using both shots and oral vaccines or just using the shots.

8.   Doctors have favored oral vaccine because it confers broader immunity.

9.   Equally important, Prevots said, is that the oral vaccine creates strong immunity in the intestine, whereas the Salk vaccine has a weaker effect.

10.   Every year, about eight children contract paralytic polio from the oral vaccine, which is made from a live, weakened polio virus.