Author: Associated Press

Pfizer COVID-19 vaccine works well in big ‘real world’ test

(AP) – A large real-world test of Pfizer’s COVID-19 vaccine confirms that it’s very effective at preventing serious illness or death, even after one dose. The results come from a mass vaccination campaign in Israel. They give strong reassurance that the benefits seen in smaller tests persisted when the vaccine was used in a general population. The vaccine was 92%…