1.   Many of them were children when they got the first polio shots using a preventative vaccine that primes the body to keep out foreign substances.

2.   Miss Nancy got real polio shots on the air to soothe fears of the doctor.

3.   Children should be given polio shots instead of the oral vaccine to avoid a tiny chance of a polio infection from the oral dose, the government says.

4.   He fears the pain and extra expense of polio shots would mean fewer protected children.

5.   The inactivated polio vaccine, or IPV, is a stronger version of the first polio shot, which was invented by Dr. Jonas Salk, who recently died.

6.   The government Thursday endorsed polio shots for children instead of the oral vaccine because of the very small chance that the oral dose can lead to a polio infection.