evidence: Gates — whose foundation has pledged to spend billions of dollars to develop a vaccine that will safeguard against the coronavirus — spoke about what he believes needs to be done now in order to improve testing and treatment capabilities in the U.S., as well as what he envisions the world will look like as it deals with the fallout of this unprecedented global event. [...] A vaccine will likely take longer — by some estimates, there may not be one available until the fall of 2021. Gates said that broad vaccination for COVID-19 will need to become available "before you can be completely safe." Until then, there’s a risk that communities could rebound unless they continue to practice strict social distancing and quarantines to see case numbers level off. [...] Go Deeper bill and melinda gates foundation bill gates novel coronavirus philanthropy vaccines