Coronavirus Udate

2 weeks 6 days ago #379166 by mapoui
Coronavirus Udate was created by mapoui

Novel Coronavirus Defies Conspiracy Theories As Data Shows Its Coming Decline
There are first signs that the novel Cornoavirus (nCorV19) epidemic will come to an end within a month or so. An analysis from the Chinese media house Caixin provides the newest numbers (machine translated):

[O]n January 31, 2020, 2102 new cases of new coronavirus were diagnosed nationwide, 46 deaths were added, and 5019 suspected cases were added which increased by 6.1%, 7.0%, and 4.3% respectively compared with the previous day, and increased by 21.8%, 29.0%, and 23.3% respectively compared with the average of the previous three days.
There are some 12.000 recognized infected persons in total. More than 99.9% of all nCorV19 cases are in China. The growth per day is still strong but not exponential. With people now traveling less from, to and within China the epidemic will likely stay contained.

We had documented in an earlier post that neither the infectiousness nor the mortality of the novel Cornoavirus are especially severe. This New York Times graphic also explains that.

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2 weeks 6 days ago #379167 by mapoui
Replied by mapoui on topic Coronavirus Udate

I had a little bird,
Its name was Enza.
I opened the window,
And in-flu-enza.
The Influenza Pandemic of 1918

The picture and the rhyme are from a fifteen year old Moon of Alabama post headlined Bring Out Your Dead. Beq's title for her picture is from a medieval Mounty Pyton sketch (vid) around the 'black death'. We no longer have to fear the plague but every once a while a new virus catches up with humanity.

China is stepping up efforts to stop the spread of a the novel coronavirus 2019-nCoV:

Chinese President Xi Jinping has held a special government meeting on the Lunar New Year public holiday to warn that the spread of a deadly new virus is "accelerating".
The country is facing a "grave situation" Mr Xi told senior officials, according to state television.

The coronavirus has killed at least 41 people and infected almost 1,300 since its discovery in the city of Wuhan.

Travel restrictions have already hit several affected cities.

And from Sunday, private vehicles will be banned from the central districts of Wuhan, the source of the outbreak.
Across mainland China, travellers are having their temperatures checked for signs of fever, and train stations have been shut in several cities.

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2 weeks 6 days ago #379168 by mapoui
Replied by mapoui on topic Coronavirus Udate

An infected person transmits the virus to X healthy persons. In an epidemic the factor X is greater than 1. For the novel coronavirus the initial factor, also known as R0 or R naught, is 1.4-2.5 which is not especially high.

Ferris Jabr @ferrisjabr - 6:58 UTC · Jan 25, 2020
The basic reproduction number (R0) is the average number of secondary infections generated by one infected person in a totally susceptible population #2019nCoV
The claim that "we are now faced with the most virulent virus epidemic the world has ever seen" and that the new coronavirus is 8x as infectious as SARS is completely untrue. Even if the R0 were 3.8 that would be nowhere near a record.

Here is some context w/ a range of R0s:

As long as the R0 is over 1 the infection will spread further as each infected person will infect multiple healthy ones who again will infect others. To stop an epidemic R0 has to be brought to under 1. Key is to lower the number of healthy persons an infected person comes into contact with. In 2002-2003 the SARS epidemic started out with an R0 of about 3 and ended with an R0 of 0.4. This was achieved by isolating the sick and, as not all infected persons are immediately recognized, also by lowering the number of contacts people have in their daily life.

China is now rapidly doing both.

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