Word: vaccinees
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Like birds in the spring, polio moves northward over the nation from the South. This year, the fifth since Salk vaccine was introduced, it began in Florida and southern Texas, hit hardest at Mexicans. Last week it struck the Middle West, with concentrated epidemics among slum-dwelling Negroes in Des...
National Immunity. Another theory developed in current polio studies: the big U.S. epidemics from 1948 to 1955 provided a kind of national immunity. Although 39 out of 100,000 people suffered serious attacks of the disease in those years, 500 to 1,000 out of every 100,000 got mild...
Despite the continuance of polio, Surgeon General Leroy E. Burney of the PHS said last week that the Salk killed-virus vaccine has proved 90% effective. The trouble is that an estimated 40 million Americans in the susceptible undergo age group have not taken the shots.
In Baby's Formula? Pushing for adoption of live-virus vaccine in the U.S. is Lederle Laboratories, which last week announced that it will boost its live-virus vaccine outlay to $8,000,000, build new production and testing facilities to produce annually 40 million oral doses of vaccine...
Yeshiva University Jonas E. Salk, physician, developer of polio vaccine L.H.D.