The US isn't in a second wave of coronavirus – the first wave never ended

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.

Melissa Hawkins, Professor of Public Health, Director of Public Health Scholars Program, American University • conversation
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.

Monica Gandhi, Professor of Medicine, Division of HIV, Infectious Diseases and Global Medicine, University of California, San Francisco • conversation
June 23, 2020 ~8 min

Tags: public-health covid-19 coronavirus transmission sars-cov-2 viruses questions-answered masks asymptomatic

How the coronavirus escapes an evolutionary trade-off that helps keep other pathogens in check

Pathogens typically face a trade-off between virulence and transmission. But that's not the case with SARS-CoV-2.

Joe Alcock, Professor of Emergency Medicine, University of New Mexico • conversation
June 17, 2020 ~6 min

Tags: covid-19 coronavirus pandemic transmission sars-cov-2 2019-ncov viruses pathogens infections

Quarantine bubbles – when done right – limit coronavirus risk and help fight loneliness

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.

Melissa Hawkins, Professor of Public Health, Director of Public Health Scholars Program, American University • conversation
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.

Douglas Reed, Associate Professor of Immunology, University of Pittsburgh • conversation
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.

Jeremy Howard, Distinguished Research Scientist, University of San Francisco • conversation
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.

Shelly Miller, Professor of Mechanical and Environmental Engineering, University of Colorado Boulder • conversation
April 24, 2020 ~9 min

Tags: covid-19 coronavirus pandemic transmission flu viruses sick outbreaks aerosols talking coughing

Ending HIV transmission by 2030 ‘realistic,’ says Harvard expert Max Essex

Eradicating the remaining pockets of HIV transmission in the U.S. by 2030 will be a challenge for the Trump administration, and depend on local cooperation in reaching high-risk groups with surveillance, prevention, and treatment, according to Harvard HIV/AIDS researcher Max Essex.

Alvin Powell • harvard
March 4, 2019 ~12 min

Tags:  hivaids  health-medicine  alvin-powell  90-90-90  donald-trump  harvard-aids-initiative  harvard-th-chan-school-of-public-health-aids-initiative  hiv  max-essex  state-of-the-union  transmission  viral-load

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