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Distribution of relative viral load (low Cq values indicate high viral loads) in HPAIV H5N1-positive white-tailed sea eagles, screened by RT-qPCR. The results are presented per sample matrix (oropharyngeal or cloacal swab or organ) and individual bird. Individuals are assigned numbers and letters, where numbers indicate a specific nest and letters the different nestling therein. Samples taken from individuals alive are shown in blue, samples taken from dead nestlings are shown in red.
