Medicine: Blood v. Measles

The Army & Navy can now prevent measles epidemics with a blood substance called gamma globulin. Last week this news spotlighted Harvard Medical School's unique Department of Physical Chemistry, where gamma-globulin extraction was perfected.

Gamma globulin is a blood protein. The solution the Army & Navy use is made from donations to the Red Cross blood bank. In tests it has prevented attacks of measles entirely or made them mild. One obvious use for gamma globulin: to prevent measles in children under two, for whom the disease is very dangerous.

Dr. Edwin Joseph Cohn, 51, has headed Harvard's Department of Physical Chemistry since...

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