IFN-λ prevents influenza virus spread from the upper airways to the lungs and limits virus transmission.

Elife · 2018 · PMC5953542 · PMID 29651984

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did not reach statistical significanceno p-value reported

Furthermore, although the rate of Udorn virus transmission was slightly enhanced in the experiment shown in figure 4A, this difference did not reach statistical significance and was not observed in transmission experiments with the HK68 virus strain (Figure 4B).

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