d B.1.1.7
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B.1.1.7 COVID-19 Mutation Might be Deadlier than Parent Strain
New but preliminary evidence suggests the COVID-19 variant first detected in the United Kingdom isn't only more infectious, but might likely be deadlier than the original virus strain. 
New but preliminary evidence suggests the COVID-19 variant first detected in the United Kingdom isn't only more infectious, but might likely be deadlier than the original virus strain.
