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529 results for: coronavirus
- Health & Medicine
What experts know so far about the delta variant
The variant, which first emerged in India, is outcompeting other highly transmissible forms of the coronavirus as it spreads around the world.
- Health & Medicine
Experts predict U.S. COVID-19 cases will dip in summer but surge in winter
Masks, vaccines and coronavirus variants could all affect how bad a predicted winter surge gets.
- Health & Medicine
A year ago, we asked 6 questions about COVID-19. Here’s how the answers evolved
A year after launching our Coronavirus Update newsletter, we revisit the first topics we wrote about.
- Health & Medicine
The U.K. approved the world’s first COVID-19 human challenge trial
Dozens of young, healthy volunteers will be deliberately exposed to the coronavirus to find out how much virus it takes to get someone sick.
- Health & Medicine
Louis Pasteur’s devotion to truth transformed what we know about health and disease
Two centuries after his birth, Louis Pasteur's work on pasteurization, germ theory and vaccines is as relevant as ever.
- Health & Medicine
Here’s what makes 4 promising COVID-19 vaccines unique — and potentially useful
More vaccines still in the works are exploring a variety of approaches, including pills and electrical zaps.
- Health & Medicine
How coronavirus variants may pose challenges for COVID-19 vaccines
Some coronavirus mutations may make vaccines less effective, but the immune system is multifaceted and vaccines can be updated.
- Health & Medicine
AstraZeneca’s COVID-19 vaccine holds up in an updated analysis of trial data
The redo dropped the overall efficacy of AstraZeneca’s vaccine from 79 percent to 76 percent. But a slight fluctuation is not unexpected, experts say.
- Science & Society
The science stories that defined 2020: coronavirus, diversity movements and more
While this year was all about the coronavirus pandemic, climate change effects continued, diversity movements were born and research carried on.
- Health & Medicine
Making masks fit better can reduce coronavirus exposure by 96 percent
Double masking, rubber bands and other hacks can produce a tighter fit and prevent aerosol particles that can carry coronavirus from getting through.
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Living with pandemic uncertainty, Year 2
Editor in chief Nancy Shute looks back at a year of COVID-19 coverage and living with the pandemic.
- Health & Medicine
Coronavirus shutdowns don’t need to be all or nothing
Governments are implementing more targeted restrictions like limiting restaurant capacity to slow a fall surge. Research suggests they could work.
