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AstraZeneca reports its COVID-19 vaccine is up to 90% effective, with plans to apply for emergency use authorization. The vaccine's efficacy varies between 70% and 90% based on dosing. AstraZeneca aims to produce 200 million doses by year-end and up to 3 billion next year. The FDA has authorized Regeneron's antibody cocktail for treating mild to moderate COVID-19 in high-risk patients. Initial doses will be available to 300,000 patients by January 2021. Special thanks to Kaiser Health News for their collaboration.

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