The natural killer cell response to West Nile virus in young and old individuals with or without a prior history of infection.

PLoS One · 2017 · PMC5325267 · PMID 28235099

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may be significantno p-value reported

Thus the present studies can not differentiate direct effects of infection from the effects of bystander un-infected cells, which may be significant for the magnitude of the response by activating NK cells.

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