With her two Jack Russell Terriers, trainer Marian DeAngelo of Rockville, Maryland, performs tricks for senior centers, libraries, schools, and birthday parties, and teaches dog trick training classes.
The “bird flu”, or avian influenza, has been around for a long time; it’s circulated in wild birds since the late 1990s. But like all viruses, it mutates over time—and influenza viruses are known to mutate very quickly. What’s more, some emerging strains are deadlier than others.