Genomic surveillance has improved enormously in recent months, but the system has built-in delays, and blind spots remain.
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Why Hasn’t the U.S. Found More Omicron Cases?
Genomic surveillance has improved enormously in recent months, but the system has built-in delays, and blind spots remain.
Omicron Prompts Swift Reconsideration of Boosters Among Scientists
Many public health experts were opposed to a boosters-for-all approach. The new variant is changing some minds.
Omicron Prompts Swift Reconsideration of Boosters Among Scientists
Many public health experts were opposed to a boosters-for-all approach. The new variant is changing some minds.
South African Company Nears License to Sell J. & J. Covid Shot Across Africa
The new agreement makes Aspen Pharmacare the first African company to market a Covid vaccine on the continent. But it stops short of allowing Aspen to make the ingredients in the vaccine.
South African Company Nears License to Sell J. & J. Covid Shot Across Africa
The new agreement makes Aspen Pharmacare the first African company to market a Covid vaccine on the continent. But it stops short of allowing Aspen to make the ingredients in the vaccine.
Will the Covid Vaccines Stop Omicron? Scientists Are Racing to Find Out.
A “Frankenstein mix” of mutations raises concerns, but the variant may remain vulnerable to current vaccines. If not, revisions will be necessary.
New ‘Omicron’ Variant Stokes Concern but Vaccines May Still Work
The Omicron variant carries worrisome mutations that may let it evade antibodies, scientists said. But it will take more research to know how it fares against vaccinated people.
This Ink Is Alive and Made Entirely of Microbes
Scientists have created a bacterial ink that reproduces itself and can be 3D-printed into living architecture.
First Known Covid Case Was Vendor at Wuhan Market, Scientist Says
A new review of early Covid-19 cases in the journal Science will revive, though certainly not settle, the debate over how the pandemic began.