An experimental vaccine aims to get ahead of new variants by priming the immune system to recognize a stable part of the coronavirus. When tested in small animals, this bivalent vaccine provided stronger protection than alternatives that targeted only one of the proteins. The new shot will need to be tested in larger animals before it’s tried in people, and there’s no guarantee the results will be the same. The current COVID-19 vaccines have saved an estimated 19.8 million lives around the world.Read Long Article
