date:Feb 11, 2014
echnology to produce H7N9 vaccines ineffective.
As long as it remains to be H7N9, the mutation will not require much change in the technology for us to produce a vaccine against it, he said. We'll just need a new strain of H7N9 virus to produce the vaccine with the same technology, just like we use new strains of other kinds of flu virus to produce effective vaccines every year, because the viruses, though they are the same ones, become slightly different from year to year.