Crucial next step in COVID-19 vaccine development taking place in Tucson
![Crucial next step in COVID-19 vaccine development taking place in Tucson](https://video.newsserve.net/700/v/20200930/2009302322-Crucial-next-step-in-COVID-19-vaccine-development.jpg)
Crucial next step in COVID-19 vaccine development taking place in Tucson
The Tucson portion of Moderna's COVID-19 vaccine trail took an important step this week.
Blood from participants is now being checked for antibodies, after they received both injections.