Bill Gates: This is how long it may take before Americans 'can be completely safe' from COVID-19

It might not be until fall 2021 that Americans 'can be completely safe' from COVID-19, Bill Gates said in a Tuesday interview with Judy Woodruff on PBS Newshour. That's because it will take more than a year before a vaccine can be developed and deployed, according to researchers working to develop a treatment for COVID-19.