Outbreaks of Highly Pathogenic Avian Influenza (H5N1) have been trending higher in recent years. The World Health Organization describes the disease as “devastating” in animal populations and a threat to farmer incomes. Last year the disease spread to 67 countries on five continents. Most concerning is its spread to non-avian species closer to the human genome.  In the latest report from the World Organization for Animal Health the pandemic risk was described as high, though there is naturally an increase in the disease this time of year. Some countries in Europe have pursued vaccination of birds but U.S. officials are concerned that this merely masks the presence of the disease much the way that humans vaccinated against...