The first measles vaccine is tested.

Ultrasound examination of fetuses is introduced.

The first catheterization of coronary arteries occurs.

Athletes' use of stimulating drugs to enhance performance is investigated.

3 Oct.

A drug is developed to counteract the side effects of penicillin.

29 Oct.

A blind woman reports seeing flashes of light after photocells are implanted in the sight centers of her brain.

12 Nov.

The U.S. ban on the sale of antibiotics to Communist countries is lifted.

18 -20 Nov.

The first National Conference on Air Pollution is held.