Many health authorities are assuming two doses of vaccine are necessary while they await the results of trials by drug makers around the world to determine the appropriate dosage.
Many health authorities are assuming two doses of vaccine are necessary while they await the results of trials by drug makers around the world to determine the appropriate dosage.
| Sanjay Gupta MD (video) |
| Finally, straight answers about your health. |
![]() |
|
| FOXNews.com |
| FOX News Network - We Report. You Decide. |
|
|