Simulation to determine the sample size needed to investigate Highly Pathogenic Avian Influenza (HPAI) in snow geese that visit the Skagit River estuary in Washington state. We seek high probability (95%) that the prevalence of HPAI is at or below 1%.

Simulation to determine the sample size needed to investigate Highly Pathogenic Avian Influenza (HPAI) in snow geese that visit the Skagit River estuary in Washington state. We seek high probability (95%) that the prevalence of HPAI is at or below 1%.

Flock of snow geese

Simulation to determine the sample size needed to investigate Highly Pathogenic Avian Influenza (HPAI) in snow geese that visit the Skagit River estuary in Washington state. We seek high probability (95%) that the prevalence of HPAI is at or below 1%.