![](https://assets.weforum.org/article/image/TJmU4xt6eqaj7wHUHjns6YQtwEiS7PWRaB1UnKke8qY.jpg)
Health and Healthcare Systems
These photos capture the world's first human trial of a potential coronavirus vaccine
Kaiser Permanente Washington Health Research Institute has given four volunteers the first of two shots of the trial vaccine in Seattle.