TY - RPRT TI - Waterfowl occurrence and residence time as indicators of H5 and H7 avian influenza in North American Poultry AU - John M. Humphreys AU - Andy Ramey AU - David C. Douglas AU - Jennifer M. Mullinax AU - Catherine Soos AU - Paul T. Link AU - Patrick Walther AU - Diann J. Prosser PY - 2020 DO - 10.1038/s41598-020-59077-1 UR - https://pubs.usgs.gov/publication/70208518 ID - 70208518 ER -