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Coronavirus Variant Tracker for the U.S.

New variants of SARS-CoV-2 are rapidly spreading through the U.S. These coronavirus variants are being studied because they may be more transmissible, cause more severe disease, or reduce the efficacy of current vaccines. Our live tracker keeps you updated with the key information you need to know.   ... (charts)

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Immunity to the Coronavirus May Persist for Years, new studies

 

Immunity to the coronavirus lasts at least a year, possibly a lifetime, improving over time especially after vaccination, according to two new studies. The findings may help put to rest lingering fears that protection against the virus will be short-lived.

Together, the studies suggest that most people who have recovered from Covid-19 and who were later immunized will not need boosters. Vaccinated people who were never infected most likely will need the shots, however, as will a minority who were infected but did not produce a robust immune response.

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Two new data studies on demographics of vaccine hesitancy--declining but still there

Two new studies reveal that although COVID-19 vaccine hesitancy has declined in the United States, 35.2% of adults 18 to 39 years and 8.7% of those 65 and older still said they would not partake as of March 2021 and November 2020, respectively.

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Closer looks and background on Wuhan lab and origins of coronavirus

NIH experts respond to questions about Wuhan lab at House committee hearing

Renewed interest in a lab-leak hypothesis prompted a few questions about the coronavirus’s origins at a House Appropriations subcommittee meeting Tuesday, amid discussion of the National Institutes of Health budget.

Rep. Andy Harris (R-Md.) held up a copy of the Wall Street Journal, referring to its recent story about workers at the Wuhan Institute of Virology in China who became sick in November 2019. Harris asked Francis S. Collins, who directs NIH, whether it was correct that $600,000 of $3.7 million in NIH funding, given to the research group EcoHealth Alliance, was directed to the Wuhan facility. That was accurate, Collins said.

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