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17 Massachusetts cities and towns labeled high risk for coronavirus – Boston Herald

The number of cities and towns labeled high-risk for the coronavirus has more than doubled over the past two weeks, jumping up to 17 this week from 13 last week and eight the week prior, according …

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The number of cities and towns labeled high risk for the coronavirus has more than doubled over the past two weeks, jumping up to 17 this week from 13 last week and eight the week prior, according to state data.
See the city and town stats.
The 17 communities represent the highest number of cities and towns in the hot zone since the state Department of Public Health started reporting weekly data using a color-coded risk assessment system in August that shades high-risk communities in red.
Che…

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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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