Doctor involved in Johnson & Johnson trial says single-dose vaccine is a 'game-changer'
![Doctor involved in Johnson & Johnson trial says single-dose vaccine is a 'game-changer'](https://video.newsserve.net/700/v/20210130/2101300216-Doctor-involved-in-Johnson-Johnson-trial-says.jpg)
Doctor involved in Johnson & Johnson trial says single-dose vaccine is a 'game-changer'
A local doctor said the Johnson & Johnson vaccine candidate is a game changer because it’s administered in a single dose.