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. 2015 Aug 4;10(8):e0134484. doi: 10.1371/journal.pone.0134484

Fig 4. Comparison of HA microarray and selected microneutralization (MN) and virus isolation (VI) results for field samples (mallard).

Fig 4

a) AIR microarray data. Average differences in spot thickness (normalized relative to the strongest response for each antigen) for chips treated with 18% field serum are reported relative to control. Color coding (green = low to red = high) is scaled relative to this maximum response. b) MN results (numbers indicate antibody titer); two samples highlighted in yellow tested positive by VI. Empty cells indicate an antibody titer of < 20.