The internal CDC document said the Delta variant was more transmissible than the viruses that cause MERS, SARS, Ebola, and the seasonal flu.
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What you need to know about the Delta variant
Several COVID-19 variants are acting uniquely enough to qualify as a distinct strain. And you might have heard about one on ...
A survey for the Wall Street Journal found small business confidence is at its lowest level since March as COVID-19 cases rise.
The aircraft’s advanced design improves fuel efficiency, reduces carbon emissions, and enhances operational reliability, ...
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