CBS News @CBSNews
The F.D.A. chose the strains of the flu virus that will be targeted in the vaccine for next season. But scientists at the National Institutes of Health are looking far beyond next year as they try to develop a universal flu vaccine. @DrLaPook explains. https://t.co/eCWo6f2M9d https://t.co/4sUzNQxftr — PolitiTweet.org