One Health Content

First Cases of Highly Pathogenic Avian Influenza in Northern Elephant Seals Confirmed in California

Katherine E Kerlin — February 25, 2026 - 10:00am

Seven weaned elephant seal pups in California’s Año Nuevo State Park tested positive for highly pathogenic avian influenza (HPAI) H5N1, the U.S. Department of Agriculture’s National Veterinary Services Laboratory confirmed Tuesday evening.

New Field of Ecological Medicine Emphasizes Health Benefits of Connectedness

Andy Fell — November 25, 2025 - 10:48am

Ecological medicine is a new approach to health science that draws on a very old idea: connecting with each other, with animals and plants, and with the natural world fosters health and well-being for people and the planet.

Avian Influenza Virus Is Adapting to Spread to Marine Mammals

Katherine E Kerlin — February 28, 2024 - 8:00am

Avian influenza virus H5N1 has adapted to spread between birds and marine mammals, finds a study from UC Davis and partners in Argentina.

Study Predicts Poor Survival Rates if Ebola Infects Endangered Mountain Gorillas

Katherine E Kerlin — April 12, 2023 - 1:26pm

If infected with the Ebola virus, less than 20 percent of Africa's endangered mountain gorillas would be expected to survive more than 100 days, finds a study from Smithsonian Institution, the UC Davis-based Gorilla Doctors and others.

Sea Otters Killed by Unusual Parasite Strain

Katherine E Kerlin — March 22, 2023 - 8:00am

An unusually severe form of toxoplasmosis killed four sea otters and could pose a threat to other marine wildlife and humans, finds a study from UC Davis and the California Department of Fish and Wildlife.

Chew On This: Personalized Health Care for Mountain Gorillas

Katherine E Kerlin — October 20, 2022 - 7:00am

Chewed plants are helping Gorilla Doctors and UC Davis veterinarians provide personalized health care to wild, endangered mountain gorillas in East Africa.

Malaria Spike Linked to Amphibian Die-Off

Katherine E Kerlin — September 20, 2022 - 9:00am

A UC Davis study links an amphibian die-off in Costa Rica and Panama with a spike in malaria cases. The study demonstrates the importance of biodiversity to human health.

The Plastisphere, Marine Snow and Ocean Plastics

Katherine E Kerlin — May 19, 2022 - 12:34pm

A mini-explainer on "The Plastisphere" and "marine snow."

Pathogens Can Hitch a Ride on Plastic to Reach the Sea

Katherine E Kerlin — April 26, 2022 - 8:00am

Microplastics are a pathway for pathogens on land to reach the ocean, with likely consequences for human and wildlife health. A UC Davis study is the first to connect microplastics in the ocean with land-based pathogens that carry diseases.

$2.7M for Digital Health Equity and Future Pandemic Preparedness

Katherine E Kerlin — March 15, 2022 - 1:45pm

The University of California, Davis, will receive $2.7 million for two projects that advance digital health equity and future pandemic preparedness following the passage of federal spending legislation.

The projects include $1.7 million for UC Davis Health’s Digital Health Equity Program and $1 million to help UC Davis establish a Future Pandemic Prevention and Rapid Response Institute.