Potential H7N9 bird flu vaccine shows promise
![](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2014/04/tickerH7N9.jpg?fit=860%2C460&ssl=1)
An early trial of a bird flu vaccine suggests that the treatment could be used to counter the H7N9 virus.
Courtesy of Cynthia S. Goldsmith and Thomas Rowe/CDC
An early trial of a bird flu vaccine suggests that the treatment could be used to counter the H7N9 virus.
Courtesy of Cynthia S. Goldsmith and Thomas Rowe/CDC