A catchall flu shot is a step closer to reality. Researchers report May 22 in Nature that they have engineered a vaccine that immunizes mice and ferrets against decades’ worth of influenza viruses. They say it could protect people for several years — and from many different flu viruses — without having to be reformulated and delivered annually the way current flu vaccines are.
Log in
Subscribers, enter your e-mail address for full access to the Science News archives and digital editions.