Henry Walke Browse All Authors Top 3 quotes by Henry Walke We have more information about how the vaccine works, how effective is it is... if there was an event that required a massive vaccination of thousands or even hundreds of thousands of people, not even the exposure we had in 2001. Henry Walke top-news We haven't updated the recommendations for vaccines since 2010, and since that time now, eight years later, we have more information about the vaccine. Henry Walke top-news It's hard to predict the future. Henry Walke top-news
