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Can the World Learn From South Africa’s Vaccine Trials?

In a year that has seesawed between astonishing gains and brutal setbacks on Covid-19, few moments were as sobering as the revelation last month that…

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Pfizer Vaccine Will Be Tested Against Variant from South Africa

BERLIN — European authorities will offer a coronavirus vaccine to every adult in an Austrian district battered by a surge in infections to determine how…

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A New Coronavirus Variant Is Spreading in New York, Researchers Report

A new form of the coronavirus is spreading rapidly in New York City, and it carries a worrisome mutation that may weaken the effectiveness of…

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As Virus Variants Spread, ‘No One Is Safe Until Everyone Is Safe’

CAPE TOWN, South Africa — As a dangerous variant of the coronavirus first discovered in South Africa sickens and kills thousands across the country, Jan…

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Emerging Coronavirus Variants May Pose Challenges to Vaccines

The steady drumbeat of reports about new variants of the coronavirus — first in Britain, then in South Africa, Brazil and the United States —…

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‘I Will Get Up’: A Hard New Year Greets a World in Waiting

“We’re adrift,” said Luis Miguel Melche, 42, a Mexico City-based production manager for rock and pop groups. Mexico City, a global capital for food, literature…

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