AP President Biden receives his second dose of the coronavirus vaccine from Ric Cuming, chief nurse executive, at ChristianaCare Christiana Hospital in Newark, Del. Jan. 11.
TribLIVE's Daily and Weekly email newsletters deliver the news you want and information you need, right to your inbox. We’re full-throttle into mass distribution of covid-19 vaccines. And let there be no doubt, their rapid development is an extraordinary achievement. I want to underscore that by revisiting what I wrote here last spring, when I placed President Trump’s Operation Warp Speed into historical context — looking particularly at the polio vaccine pioneered by Dr. Jonas Salk at Pitt.