Pfizer says data from the U.S. and Israel suggests that the efficacy of the Covid-19 vaccine it manufactures with BioNTech wanes over time, and that a booster dose is safe and effective at warding off the virus and new variants.
The company detailed its case in a presentation to be given outside advisers to the U.S. Food and Drug Administration. The panel is expected to make recommendations for whether more Americans should receive those shots. (Moderna reported similar news about its own vaccine).
In Africa, headway is being made in efforts to secure more shots for a population in which less than 3.5% have been fully inoculated. For America, there’s a grim new data point once seen to be a worst case scenario: One out of every 500 Americans has died from Covid-19.
The U.S. continues to lead the world in confirmed infections (41.5 million) and deaths (665,000), with the actual numbers likely much higher.
The vaccination rate in the U.S., however, has started to decline again. The drop is being led by the South and Central regions and is a reversal of what a month ago seemed like a hopeful trend for public health officials. Those areas are also where the delta variant has been doing the most damage.
Culled from
Bloomberg
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