A dosing error during late-stage trials allowed Oxford coronavirus scientists to realise they had created a 90 percent-effective vaccine.
Drugmaker AstraZeneca - which partnered with the University of Oxford to manufacture the vaccine - announced the results on Monday following months of research and testing.
And while it took the university's brightest minds decades of work to give them the expertise, in the end it was a momentary error that carried them over the line.
The mistake meant the team of vaccinologists realised they could significantly boost the shot's success rate by as much as 30 percent by administering a half dose, followed by a full dose a month later. "The reason we had the half dose is serendipity," Mene Pangalos, head of