(Reuters) - The Biden administration plans to extend requirements for travellers to wear masks on airplanes, trains and buses and at airports and train stations through Jan. 18 to address COVID-19 risks, three sources told Reuters.
More than 5,000 students and hundreds of employees in a single Florida school district have tested positive for Covid-19 or may have been exposed to the coronavirus, school officials said Monday.
National Institutes of Health Director Francis Collins said Tuesday that data from Israel on vaccine effectiveness waning over time helps show the need for booster shots eight months after initial vaccination.
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