Video Credit: KGUN, Tucson, AZ - Duration: 02:04s - Published
![COVID vaccine trial unblinded for KGUN 9 anchor]()
COVID vaccine trial unblinded for KGUN 9 anchor
KGUN9 anchor Pat Parris has been taking part in the Moderna COVID-19 vaccine trial in Tucson.
Now, he finds out if he received the vaccine or a placebo.
