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The COVID-19 community level is now 'high' in several Sacramento area counties. Yolo County's public health officer and a UC Davis Health doctor say what's different about the current surge from past increases.
Understanding coronavirus vaccine efficacy Updated: 9:38 AM EST Feb 24, 2021 Updated: 9:38 AM EST Feb 24, 2021 Hide Transcript Show Transcript ♪ >> WHAT WE REALLY MEAN IS HOW MUCH DID THE VACCINE REDUCE THE RISK OF BECOMING INFECTED OR DEVELOPING DISEASE? EMILY: DR. DANIEL KURITZKES IS CHIEF OF THE DIVISION OF INFECTIOUS DISEASES AT BRIGHAM AND WOMEN’S HOSPITAL. THAT RISK REDUCTION VARIES AMONG THE COMPANIES WITH AUTHORIZED CORONAVIRUS VACCINES AND CANDIDATES. AND WHILE OVERALL EFFICACY ALSO VARIES BY GEOGRAPHY IN THE U.S., , MODERNA’S VACCINE IS 94.1% EFFECTIVE AT ...