Word: polio
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Dates: during 1950-1959
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...doesn't always realize that what one is doing at the time will be successful. In our case, we could hardly believe the results for a while after we had first innoculated the tissue cultures (with polio viruses to get the growing started). And we could not really believes the results until we had conducted extensive tests to gather proof...
...potentialities of what had happened were, of course, immediately apparent." Enders pointed out. The poliovirus could now be produced in quantity and be sterilized through the method developed to permit mass inoculations the vaccine method was sufficiently developed to permit the mass innoculations against polio last summer...
...space for installing experimental animals. The two then set to work on experiments to cultivate the mumps and inbuenza viruses with which Enders had worked before the War. While in the process of working on these attempts at cultivation, the two decided to try to isolate and grow the polio virus...
...seemed to us the possibilities had not been adequately explored. Almost all the virus work had been carried on in susceptible animals like mice, monkeys, and pigs. But scientists had never found it practical. But scientists had never found it practical to work with animals in the case of polio, and nearly all attempts to apply test-tube growth to any kind of virus had failed...
Enders and Weller did know, however, that at least one virus chicken-pox-had bten grown in a test-tube. And the polio virus, was, they noted, similar in many ways to chicken...