Kind: captions Language: en [Music] the flu is very serious um it can kill you [Music] this is currently what allows influenza to escape immunity the point is to give us the best protection possible to what circulating the whu-oh meets twice a year to decide on which strains will be included and then Valenza vaccine once these strains are chosen they're then grown in chicken eggs the first brew is well in eggs and so this allows us to harvest a lot of virus [Music] so that meant that the vaccine had less protection that it could have AG adaptations have been a problem for a long long time the good news is now the first time we have a lot of vaccines available that are grown using an entirely different process [Music]