Viral mutations may cause another ‘very, very bad’ COVID-19 wave, scientists warn
Growing evidence that U.K. variant spreads faster triggers calls for tighter control measures
Coronavirus
Read our COVID-19 research and news.
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Scientists criticize ‘rushed’ approval of Indian COVID-19 vaccine without efficacy data
Green light for Bharat Biotech comes as company is still recruiting volunteers for its phase III trial -
‘It’s crazy.’ Upbeat COVID-19 vaccine news from China and U.K. leaves scientists wanting more details
Sinopharm efficacy news, U.K. dosing schedule leave questions -
A Kenyan health economist investigates the pandemic’s puzzling course in his country
Edwine Barasa helps guide the government’s response with data—and quiet persistence -
Novavax launches pivotal U.S. trial of dark horse COVID-19 vaccine after manufacturing delays
Tiny biotech may struggle to find participants for its placebo-controlled efficacy trial -
U.K. variant puts spotlight on immunocompromised patients’ role in the COVID-19 pandemic
A weakened immune system may give the virus a chance to evolve rapidly, scientists say -
Makers of successful COVID-19 vaccines wrestle with options for placebo recipients
Multiple schemes for “unblinding” trial participants provoke scientific and ethical debate that FDA must resolve quickly -
Suspicions grow that nanoparticles in Pfizer’s COVID-19 vaccine trigger rare allergic reactions
Life-threatening responses seen in at least eight people could be linked to polyethylene glycol, known to trigger reactions to some drugs -
Mutant coronavirus in the United Kingdom sets off alarms, but its importance remains unclear
European countries impose travel bans as scientists probe whether new strain spreads faster or causes more severe COVID-19 -
Neanderthal gene found in many people may open cells to coronavirus and increase COVID-19 severity
Analysis implicates a new COVID-19 genetic risk factor humans may have gotten from our extinct relatives -
Do we need a COVID-19 vaccine for pets?
Cats, dogs, and other animals can get the pandemic coronavirus, but vaccine efforts are not moving at warp speed -
Science’s Breakthrough of the Year 2020: shots of hope in a pandemic-ravaged world
Swiftly developed vaccines may curb COVID-19, even as second pandemic of misinformation rages -
The coronavirus may sometimes slip its genetic material into human chromosomes—but what does that mean?
Unexpected evidence that SARS-CoV-2 can integrate its genetic material could explain puzzling diagnostic tests in recovered COVID-19 patients -
COVID-19 is 10 times deadlier for people with Down syndrome, raising calls for early vaccination
Extra chromosome carries key genes that may work against them -
As COVID-19 vaccines emerge, a global waiting game begins
Rich countries snapped up limited supplies, so protection will lag for others -
North Korea is about to exhaust its tuberculosis drug supply, experts warn
Nation already suffers from high rate of bacterial disease
