Figure 5.
NI antibodies to antigenic variants of A/H7N9 after LAIV immunization. (A) Positive sera after A/Anhui/1/2013(H7N9)-based LAIV immunization (n = 8). (B) Positive sera after A/Hong Kong/125/2017(H7N9)-based LAIV immunization (n = 16).
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