3 ms·The federal vaccine recommendation on polio vaccines is not changing.by odyssey7 9mo agoThe federal vaccine recommendation on polio vaccines is not changing.UltraSane 9mo agoWhy polio and not others?odyssey7 9mo agoPlease see: https://news.ycombinator.com/item?id=46566754 https://news.ycombinator.com/item?id=46566754