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Oropharyngeal (OP) and cloacal (CL) viral shed detected by qRRT-PCR from 2-week-old mallards directly inoculated with poultry H5N2 HPAI viruses (bars represent mean and standard deviation). A. A/turkey/Minnesota/12582/2015 (H5N2) (A/Tk/MN/15). B. A/chicken/Iowa/13388/2015 (H5N2) (A/Ck/IA/15).
