The recent spike in new coronavirus cases in the US is not due to a second wave, but simply the virus moving into new populations or surging in places that opened up too soon.
June 30, 2020 • ~8 min
Tags: covid-19 coronavirus pandemic transmission sars-cov-2 new-york 1918-flu-pandemic florida texas second-wave eradication
Can people spread the coronavirus if they don't have symptoms? 5 questions answered about asymptomatic COVID-19
There is a lot of confusion and concern around asymptomatic spread of SARS-C0V-2. An infectious disease expert explains how many people are asymptomatic and how they can spread the virus.
June 23, 2020 • ~8 min
Tags: public-health covid-19 coronavirus transmission sars-cov-2 viruses questions-answered masks asymptomatic
Pathogens typically face a trade-off between virulence and transmission. But that's not the case with SARS-CoV-2.
June 17, 2020 • ~6 min
Tags: covid-19 coronavirus pandemic transmission sars-cov-2 2019-ncov viruses pathogens infections
People are turning to quarantine bubbles as a way to see friends and family while limiting the risk from the coronavirus. Research shows that this can work, but it's not easy to be in a quaranteam.
June 17, 2020 • ~10 min
Tags: health public-health mental-health anxiety pandemic transmission isolation friendship risk-management harm-reduction lonliness
People are getting sick from coronavirus spreading through the air – and that's a big challenge for reopening
SARS-CoV-2 can be spread through the air. But just how much of a factor that is has been hard to determine. Recent evidence suggests it is common, posing problems as public places begin to reopen.
June 16, 2020 • ~9 min
Tags: health public-health coronavirus transmission sars-cov-2 social-distancing reopening viruses aerosols masks coughing droplets airborne airborne-virus covi-19
Masks help stop the spread of coronavirus – the science is simple and I'm one of 100 experts urging governors to require public mask-wearing
Recommendations around mask usage are confusing. The science isn't. Evidence shows that masks are extremely effective to slow the coronavirus and may be the best tool available right now to fight it.
May 14, 2020 • ~10 min
Tags: public-health covid-19 coronavirus transmission sars-cov-2 social-distancing personal-protective-equipment face-masks aerosols masks droplets asymptomatic
Coronavirus drifts through the air in microscopic droplets – here's the science of infectious aerosols
Aerosols are the tiny particles of liquid and material that float around in our environment. When they come from an infected person, they may be a significant source of coronavirus transmission.
April 24, 2020 • ~9 min
Tags: covid-19 coronavirus pandemic transmission flu viruses sick outbreaks aerosols talking coughing
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