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Wuhan performed 6.5 million coronavirus tests in just 9 days, state media reports

  
Via:  Nerm_L  •  4 years ago  •  5 comments

By:   Nectar Gan (CNN)

Wuhan performed 6.5 million coronavirus tests in just 9 days, state media reports
The central Chinese city of Wuhan conducted more than 6.5 million novel coronavirus tests in just 9 days, according to state media, a drastic move by authorities to prevent a second wave of infections in the original epicenter of the global pandemic.

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As usual, the important aspect of what is being reported receives no attention whatsoever.  Increased testing capacity has been made possible with a manufacturing economy.  And China has prioritized manufacturing for Chinese use.  China can collect 6.5 million samples in nine days because the manufacturing economy can produce what is needed.  

The United States no longer has that capability to produce what is needed.  The industrial and manufacturing infrastructure of the United States has been destroyed to make a quick buck.  (And boost political donations.)

Also pay attention to the use of 'pool testing'.  A pool of people are sampled and the samples are mixed together.  One test is performed for a larger group of people.  That is a strategy to identify clusters of infection rather than identify infected individuals.  While the claim is that 6.5 million people have been tested, that doesn't mean 6.5 million tests were performed.  The facts are that 6.5 million people were only sampled; the report doesn't tell us how many tests were performed.


S E E D E D   C O N T E N T



The central Chinese city of Wuhan conducted more than 6.5 million novel coronavirus tests in just 9 days, according to state media, a drastic move by authorities to prevent a second wave of infections in the original epicenter of the global pandemic.

Wuhan's ambitious citywide nucleic acid testing drive came after six new cases emerged in a residential community earlier this month -- the first time local infections were reported following the city's emergence from its months-long lockdown in April.

From May 15 to May 23, swab test samples were collected from more than nine million residents, China's state-broadcaster CCTV reported, accounting for more than 80% of the city's total population of 11 million. Wuhan to test all residents for coronavirus in 10 days after new cases emerge.

Nucleic acid tests work by detecting the virus' genetic code, and can be more effective at detecting the infection, particularly in the early stages, than tests which examine a body's immune response, though the latter are easier to conduct.

The mass testing identified 198 asymptomatic cases -- people who carry the virus but do not show symptoms, according to the state-run Health Times.

The speed and scope of Wuhan's testing campaign -- hailed as a "10-day battle" by local authorities -- appears to have equaled or eclipsed the testing ability of many countries, including that of the United States.

On Friday alone, Wuhan conducted 1.47 million tests, according to CCTV.

In the US, the highest daily number of coronavirus tests conducted across the entire country currently stands at 416,183, according to Johns Hopkins University, which draws on data from the Covid-19 Tracking Project.

In total, the United States has performed 14,131,277 coronavirus tests since the pandemic began, according to the latest data from the US Centers for Disease Control and Prevention. However, that number also includes antibody tests performed in some states, which aren't used to diagnose current infections but to indicate whether someone has been exposed to the virus in the past.

In Wuhan, sampling booths were set up in neighborhoods across the city, with residents in face masks lining up to take their swab tests. On Saturday, authorities set up 231 extra testing booths for people who had not been able to make the earlier tests, according to the Changjiang Daily, the official Communist Party mouthpiece in Wuhan.

Health care workers also paid door-to-door visits to some elderly and disabled residents to take their samples, the Changjiang Daily reported.

According to Chinese news outlet Caixin, in order to test quickly and widely, Wuhan's health authorities combined some of the samples taken from multiple individuals together and tested them in a single tube -- a method known as "pool testing."

If a tube of pooled samples was tested positive, extra tests would be carried out on each individual's sample separately to find the positive sample, the Caixin report said. It was unclear from the report what percentage of samples in Wuhan had been pooled for testing.

CNN has reached out to the Wuhan Health Commission for comment on the pooled sampling procedures but has not heard back.

In April, scientists in Germany proposed the pooling of coronavirus samples as a strategy to boost testing capacity when large numbers of asymptomatic people need to be screened, according to their research published in the medical journal The Lancet.

Shanshan Wang in Beijing contributed to reporting


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Nerm_L
Professor Expert
1  seeder  Nerm_L    4 years ago

China is producing far more of what is needed than the United States is capable of producing.  And China is conducting sampling and testing in a more intelligent manner than the United States.

The United States can only argue over pool parties.  The country no longer has the capability to actually do anything.

 
 
 
Paula Bartholomew
Professor Participates
1.1  Paula Bartholomew  replied to  Nerm_L @1    4 years ago

IMO, other countries are taking self isolation a lot more seriously than we do.

 
 
 
Nerm_L
Professor Expert
1.1.1  seeder  Nerm_L  replied to  Paula Bartholomew @1.1    4 years ago
IMO, other countries are taking self isolation a lot more seriously than we do.

That's entirely the public's choice.  Imposing restrictions and throwing violators in prison only creates conditions to spread the virus.  Those enforcing restrictions will be circulating among people, in contact with more people, and spreading the virus, too.  

The pandemic ends by either achieving herd immunity or by thinning the herd to kill off the most vulnerable.  The public will choose how the pandemic ends.

The government cannot control the virus or spread of the virus; that's impossible.  No matter what the government does, the virus will spread at every opportunity.  Only the public has any means of controlling the virus and protecting themselves through choices in behavior.  

 
 
 
Paula Bartholomew
Professor Participates
1.1.2  Paula Bartholomew  replied to  Nerm_L @1.1.1    4 years ago

I totally agree.  Some have to start taking this a little more seriously though.  The world is not going to end if you can't go to a drunken BBQ/pool party.

 
 
 
Buzz of the Orient
Professor Expert
1.1.3  Buzz of the Orient  replied to  Nerm_L @1.1.1    4 years ago
"The pandemic ends by either achieving herd immunity or by thinning the herd to kill off the most vulnerable.  The public will choose how the pandemic ends."

Is that what it will take in America?   That was not required to return pretty well to normality where I live.

"Only the public has any means of controlling the virus and protecting themselves through choices in behavior." 

Obviously those unable and as I have seen in news clips unwilling to adapt their behaviour to what is necessary to control the virus is the problem, isn't it.

 
 

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