Abstract
Summary
Sendai strain of parainfluenza 1 virus previously passed in embryonated eggs was found to be adaptable to the stable line of human conjunctiva cells. Evidence for its multiplication in these cells was based on its capacity to produce typical CPE in 5–7 days throughout 17 serial passages, on its ability to initiate macroscopic plaque formation and on the nature of its single step growth cycle. The adapted virus could be cultivated in either conjunctiva cells or chick embryos. The former was more sensitive to viral infection (ratios of PFU:EIU up to 27) whereas higher virus titers were obtained from the latter.
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