No, the pill won't replace Covid vaccines

Merck's new treatment for Covid shows promise in preventing serious illness. Better still, don't get infected.

Last week ended with the seemingly bombshell news that Merck has developed a breakthrough, anti-Covid pill. Thought the story actually broke Monday, it took all week for it to percolate through the minds of editors and investors, finally earning “above-the-fold” status by Friday and slamming shares of vaccine makers as investors concluded that a simple …