But there’s no way to predict which, if any, vaccine will work safely; or even to name a front-runner. There are between eight and 11 vaccine candidates in early stages of testing in China, the US, Britain and Germany. “I can be a guinea pig.”No blueprintDifferent types of vaccines work better in some virus families than others. “In 20/20 hindsight, we should have worked harder on coronavirus vaccines back then,” said Dr. Sten Vermund, dean of the Yale School of Public Health. Most vaccine studies so far are tracking safety and whether volunteers’ blood shows any immune reactions.

Source: Manila Times May 04, 2020 16:33 UTC