We're learning more about the Moderna COVID-19 vaccine and how long immunity actually lasts; KDKA's Amy Wadas reports.
We're learning more about the Moderna COVID-19 vaccine and how long immunity actually lasts; 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..
Although it is not quite as effective against the coronavirus as the Pfizer and Moderna vaccines, Johnson & Johnson's COVID vaccine..