Word: hela
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Dates: during 1950-1959
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...University of Louisville researchers, Dr. Alex J. Steigman and Dr. Murray Lipton, have developed a color test to indicate whether a child is protected against polio. The method: Hela cells (easily grown cancer cells) are mixed with polio virus, an indicator dye and a blood sample. Incubated at 36° centigrade for a week, the mixture is then examined for color. If the child is fully protected, the mixture will be yellow; if not, red. The new method, say the Louisville doctors, is cheaper ($25) than previous tests, requires less time than tests using monkeys, and will enable many more...
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