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Estimated AIV antibody prevalence (95% CI) over the stopover season at Delaware Bay in (A) Ruddy Turnstones, (B) Red Knots, (C) Sanderlings, and (D) Laughing Gulls. Also shown are adjusted antibody prevalences (±SE) on each sample date (data from both years combined for Ruddy Turnstones, Red Knots, and Sanderlings). All fits are significant at .
