Abstract Influenza A viruses continue to pose a major threat to global public health. In addition to H1N1 and H3N2 subtypes causing seasonal epidemics that result in an estimated 3–5 million severe cases and 290,000–650,000 deaths annually, other subtypes, including avian H5, H7, and H9, have shown cross-species transmission potential, leading to thousands of human infections in multiple countries.
As a journalist, you can create a free Muck Rack account to customize your profile, list your contact preferences, and upload a portfolio of your best work.