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-Signs, Portents, and the Weather-
TWO strains of the killer coronavirus are spreading around the world – and 70% of infected patients have caught the more aggressive and contagious type, study claims
2020-03-04
[Daily Mail, where America gets its news]
  • Researchers from Beijing and Shanghai studied 103 samples of the coronavirus

  • They found two strains of it, named them L and S and found L was most common

  • L is also the most aggressive, but it has become less common since early January

  • A virus which is too aggressive may burn itself out by landing patients in hospital

  • More than 94,000 people have now caught the coronavirus, 3,200 have died and 50,000 have recovered
Posted by:Skidmark

#7  UNICEF says that warm temperatures prevent the virus from living on surfaces. This may be part of the reason the new cases in China have dropped off.

The accelerating spread in SKOR, Italy and Iran is perhaps because people were exposed in cooler February weather and the symptoms are finally appearing.

Posted by: lord garth   2020-03-04 18:08  

#6  Isn't that how vaccines are made, make a less aggressive version so the body can fight it off and survive, and thus have anti-bodies useful against the more aggressive versions of the same thing?

If you were cooking this thing in a bio lab you would probably create a less aggressive version first thing so you could handle it a bit safer.
Posted by: rjschwarz   2020-03-04 15:34  

#5  I suspected this was going on in Wuhan, where the severity seems worse. Maybe the more aggressive strain is in Iran, also?
Posted by: KBK   2020-03-04 15:32  

#4  To predict an epidemic, evolution can't be ignored
Posted by: Skidmark   2020-03-04 14:49  

#3  I wonder if exposure to the less lethal variety lends immunity to the more lethal.

If the numbers from China are qualitatively accurate that would be an explanation:

A less aggressive but highly contagious strain is creating herd immunity against all strains of SARS-COV-2.
Posted by: Elmerert Hupens2660   2020-03-04 14:30  

#2  ERB, Gorb's got an experiment for you!
Posted by: Skidmark   2020-03-04 12:45  

#1  I wonder if exposure to the less lethal variety lends immunity to the more lethal.
Posted by: gorb   2020-03-04 11:19  

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