Ida Kristin Myhrvold

Serological Evidence of Widespread Exposure to H5 Avian Influenza Virus in Arctic Foxes in Svalbard, Norway

The paper examines serological evidence of H5 avian influenza virus exposure in Arctic foxes in Svalbard, finding high seroprevalence and predominant H5N5 exposure in recent years.

Highly Pathogenic Avian Influenza H5N5 in a Polar Bear and Atlantic Walrus, Svalbard, 2026, with Widespread Seroconversion in Polar Bears

The paper reports the first confirmed case of HPAIV H5N5 in a polar bear and Atlantic walrus in Svalbard, with widespread seroconversion in polar bears following initial bird detections.

Detection of antibodies specific to H5 avian influenza virus in a sheep in Norway, June 2024, eleven months after an outbreak of highly pathogenic avian influenza in a nearby seabird colony

The paper tests sheep for antibodies to H5 avian influenza virus eleven months after a nearby seabird outbreak, finding one positive case and highlighting the need to restrict livestock access to outbreak areas.