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. 2015 Dec 14;10(12):e0144899. doi: 10.1371/journal.pone.0144899

Fig 2. Proportion of seals admitted to the SRRC with antibodies against influenza A virus.

Fig 2

Serum samples collected from harbor seal pups (A) and harbor seal weaners (B) seals were tested for the presence of antibodies against the NP using an influenza A virus NP blocking ELISA (white bars) and the hemagglutination inhibition test (gray bars). N.D.: no data (see Table 1). The numbers above the bars indicate number of sera tested.