How to make a faster coronavirus vaccine

Accelerating the search will require global coordination — and a lot of money. "Making vaccines is difficult and expensive in the best of times. It usually takes years to bring a candidate to market. On top of the scientific difficulty, vaccines must clear an exceptionally high safety bar: Unlike just about any other treatment, they're given to otherwise healthy people in large quantities. Any significant side effects can have disastrous consequences, and long and careful testing is required to avoid harm." Max Nisen, writing in Bloomberg, reports.