Experts say controlled vaccination, biosecurity, and early intervention best ways to combat bird flu
Amid the rapid spread of the H5N1 avian influenza virus in US poultry farms, US secretary of health, Robert F Kennedy Jr, has proposed a controversial strategy. Instead of mass culling infected flocks, he suggests allowing the virus to spread naturally to identify and preserve birds with natural immunity. Kennedy, a well-known antivaccine advocate, has … Read more