Moderna’s chief medical officer says there is a chance a third shot may be needed, so the company will have to test people to see if the booster will extend protection, KDKA's Amy Wadas reports.
Moderna’s chief medical officer says there is a chance a third shot may be needed, so the company will have to test people to see if the booster will extend protection, KDKA's Amy Wadas reports.
California was trying to tackle two problems in East Palo Alto Saturday. One was simply to get more vaccine distributed to more..
Why It’s Hard to
Make Vaccines: Explained.
With the high demand for the COVID-19 vaccine, its
rollout has..