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UCSD Researchers Discover Carbohydrate In Lungs That COVID-19 Uses To Infect – NBC San Diego

UC San Diego School of Medicine researchers announced Tuesday they have discovered a carbohydrate that the SARS-CoV-2 virus uses to latch onto a cellular…

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UC San Diego School of Medicine researchers announced Tuesday they have discovered a carbohydrate that the SARS-CoV-2 virus uses to latch onto a cellular molecule in the lungs, which has potential implications for treatment of COVID-19 patients.
Since January, researchers have known that the novel coronavirus primarily uses a molecule known as ACE2 — which sits like a doorknob on the outer surfaces of the cells that line the lungs — to enter and infect those cells. Finding a way to lock out t…

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COVID-19 Survival Improved By Better ICU Care : Shots – Health News – NPR

One thing that has improved a lot over the course of the pandemic is treatment of seriously ill COVID-19 patients in intensive care units. Here’s one man’s success story.

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Niticia Mpanga, a registered respiratory therapist, checks on an ICU patient at Oakbend Medical Center in Richmond, Texas. The mortality rates from COVID-19 in ICUs have been decreasing worldwide, doctors say, at least partly because of recent advances in treatment.
Mark Felix/AFP via Getty Images
If you think all the coronavirus news is bad, consider the uplifting story of Don Ramsayer.
The 59-year-old man from Cumming, Ga., is living evidence that doctors in intensive care units quickly fig…

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Why Vaccines Are Essential to Herd Immunity – The Wall Street Journal

Scientists say 60% to 70% of the population would have to gain immunity to Covid-19 through infection or vaccination to reach widespread protection

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An infectious disease like coronavirus, if left unchecked, can spread rapidly through a community. Scientists use the transmission rate, or R0 number, to denote how many people a typical carrier of a disease may go on to infect.
In the absence of control measures such as social distancing or mask wearing, the novel coronavirus has an R0 number of between 2.5 and 3.0, meaning the average carrier would infect between two and three people.
As those people go on to infect others, the disease can s…

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What It Would Take for Herd Immunity to Stop the Coronavirus Pandemic – The Wall Street Journal

Wider community protection could be closer than we think, some experts say, but there are challenges, even with a vaccine

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The concept of herd immunity is at the heart of global vaccination efforts and discussions about next steps in fighting the Covid-19 pandemic and bringing back economies.
For the pandemic to stop, the coronavirus has to run out of susceptible hosts to infect. Herd immunity occurs when enough people in a population develop an immune response, either through previous infection or vaccination, so that the virus cant spread easily and even those who arent immune have protection.
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