The spread of the subvariants adds more uncertainty to the trajectory of the pandemic in the United States.
Tag: Coronavirus (2019-nCoV)
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China Tries to Keep Covid Out of Its Grueling College-Entrance Exams
Some students have to travel from locked-down areas to testing sites in special vehicles, while others might be isolated for the exam.
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North Korea’s Covid Outbreak Is Scary, and an Opportunity
Kim Jong-un may be ready to re-engage with the world
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He Helped Cure the ‘London Patient’ of H.I.V. Then He Turned to Covid.
Ravindra Gupta, who led the efforts that resulted in the second case of a patient being cured of H.I.V., was drawn into pandemic research.