Analysis

ANALYSIS: Why emergency COVID-vaccine approvals pose a dilemma for scientists

Mon, 2020-11-23 13:19 — mike kraft

Why emergency COVID-vaccine approvals pose a dilemma for scientists Immunizations are speeding towards approval before clinical trials end, but scientists say this could complicate efforts to study long-term effects. David Cyranoski nature

After a flurry of positive results from clinical trials of COVID-19 vaccines, developers are now seeking ‘emergency use’ approvals, which could see these immunizations deployed in potentially tens of millions of people. But scientists are concerned that this kind of early deployment could compromise the ongoing clinical trials that seek to show conclusively how well the vaccines work.

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Most coronavirus cases are spread by people without symptoms, CDC now says

Sat, 2020-11-21 14:57 — mike kraft

Most Covid cases spread by people without symptoms, CDC now says Most Covid-19 infections are spread by people who have no symptoms, the CDC says in newly updated guidance. Maggie Fox, CNN CNN

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Health experts dispute conservatives’ claim that new study finds masks are ineffective

Sat, 2020-11-21 14:50 — mike kraft

Health experts dispute conservatives’ claim that new study finds masks are ineffective Mask-wearing has remained a hot-button political issue even as more states, including those with Republican governors who long resisted such measures, are adopting mask mandates following a rise in cases across the United States. Meryl Kornfield Washington Post

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What the data say about asymptomatic COVID infections

Fri, 2020-11-20 19:52 — mike kraft

What the data say about asymptomatic COVID infections People without symptoms can pass on the virus, but estimating their contribution to outbreaks is challenging. Bianca Nogrady nature

How many people don’t experience any symptoms after becoming infected with SARS-CoV-2? And what is their role in spreading COVID-19? These have been key questions since the beginning of the pandemic.

Now, evidence suggests that about one in five infected people will experience no symptoms, and they will transmit the virus to significantly fewer people than someone with symptoms. But researchers are divided about whether asymptomatic infections are acting as a ‘silent driver’ of the pandemic.

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Sturgis rally blamed for COVID-19 spread in Minnesota

Fri, 2020-11-20 19:19 — mike kraft

Sturgis rally blamed for COVID-19 spread in Minnesota A South Dakota motorcycle rally attended by nearly half a million people earlier this year resulted in at least 86 cases of COVID-19 among residents of Minnesota, including one death, according to a report released Friday by the Centers Jessie Hellmann TheHill

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COVID-19 reinfection unlikely for at least 6 months, study finds

Fri, 2020-11-20 12:15 — mike kraft

COVID-19 reinfection unlikely for at least 6 months, study finds People who've had COVID-19 are highly unlikely to contract it again for at least six months after their first infection, according to a British study of healthcare workers on the frontline of fight against the coronavirus pandemic. The findings should offer some reassurance for the more than 51 million people worldwide who have been infected with the pandemic disease, researchers at the University of Oxford said.

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Crushed by COVID-19, rural red states finally start to mandate masks. It may be too little, too late.

Fri, 2020-11-20 11:10 — mike kraft

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ANALYSIS: The U.S. COVID-19 Outbreak Is Worse Than It’s Ever Been. Why Aren’t We Acting Like It?

Fri, 2020-11-20 10:55 — mike kraft

The U.S. COVID-19 Outbreak Is Worse Than It’s Ever Been. Why Aren’t We Acting Like It? Americans’ reactions to the pandemic have become increasingly divorced from the reality of it Time

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Delirium in Older Patients With COVID-19 Presenting to the Emergency Department

Thu, 2020-11-19 17:44 — mike kraft

Delirium in Older Patients With COVID-19 Presenting to the Emergency Department This cohort study examines how frequently older adults with coronavirus disease 2019 (COVID-19) present to the emergency department

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Health systems are using AI to predict severe Covid-19 cases. But limited data could produce unreliable results

Thu, 2020-11-19 13:53 — mike kraft

Limited data in Covid-19 AI tools could produce unreliable results Some institutions have not published any results showing whether their models to predict a Covid-19 patient's trajectory actually work. Erin Brodwin STAT

As the United States braces for a bleak winter, hospital systems across the country are ramping up their efforts to develop AI systems to predict how likely their Covid-19 patients are to fall severely ill or even die. Yet most of the efforts are being developed in silos and trained on limited datasets, raising crucial questions about their reliability.

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