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A basic guide to Coronavirus tests

What are the different types of coronavirus tests?

There are three broad categories of coronavirus tests in the U.S. Two diagnose whether you have an active infection, and a third indicates if you previously had the virus.

Here’s how they work:

GENETIC TESTS

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Will the COVID-19 crisis trigger a One Health coming-of-age?

https://www.thelancet.com/journals/lanplh/article/PIIS2542-5196(20)30179-0/fulltext

As the COVID-19 pandemic continues across the globe, leaving governments and public health services in shock and disarray, calls have been made for the need to adopt One Health approaches to address the failure to predict and halt the emergence of COVID-19.
 
The novel severe acute respiratory syndrome coronavirus 2 is widely suggested to have originated in Asia from a bat reservoir, possibly also involving other animal bridge species. As such, the focus of One Health on the human–animal–environment interface appears particularly compelling.
We concur, however, we warn that conceptual and institutional ambiguities that preclude the practical implementation and evaluation of One Health remain to be resolved.
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ANALYSIS: Why a vaccine will not stop the Covid-19 pandemic right away

...   while vaccine manufacturers, public health experts and the federal government are all confident one or more of the coronavirus vaccines being tested now will be shown to work safely by the end of the year, the US and the world will still be a long way from ending the pandemic. 

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CDC: Under attack by Trump official for "sedition" and background on its early response problems.

WASHINGTON — The top communications official at the powerful cabinet department in charge of combating the coronavirus made outlandish and false claims on Sunday that career government scientists were engaging in “sedition” in their handling of the pandemic and that left-wing hit squads were preparing for armed insurrection after the election.

Michael Caputo, 58, the assistant secretary of public affairs at the Department of Health and Human Services, said without evidence that the Centers for Disease Control and Prevention was harboring a “resistance unit” determined to undermine President Trump.

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Fever checks: Doubts about whether they are effective gatekeepers

In recent weeks, a new cadre of gatekeepers armed with thermometer guns has appeared at the entrances of hospitals, office buildings and manufacturing plants to screen out feverish individuals who may carry the coronavirus.

Employees at some companies must report their temperature on apps to get clearance to come in. And when indoor dining resumes at restaurants in New York City later this month, temperature checks will be done at the door.

Since the beginning of the pandemic, the practice of checking for fever has become more and more commonplace, causing a surge in sales of infrared contact-free thermometers and body temperature scanners even as the scientific evidence indicating they are of little value has solidified.

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