Operation Warp Speed announced today a major pivot in the US COVID-19 vaccine strategy, one that will see the release of all current vaccines in the national stockpile and a new effort to vaccinate all those 65 and up as quickly as possible.The changes bring the total number of doses that have been made available for use in the United States to roughly 38 million."We are now at an important juncture in the vaccine program where we're ready for a transition," said Health and Human Services (HHS) Secretary Alex Azar during an Operation Warp Speed press conference today.Similarities with Biden planAzar said governors are called to vaccinate people aged 65 and over, as well as those under age 65 who have a health condition that puts them at