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CNN: Has Covid-19 been in humans for years?

Has Covid-19 been in humans for years?
Leading scientists tell CNN that it's possible the virus didn't just come from bats in the past months, but that it could made the leap to humans many months, perhaps even years ago before it then transferred among people to become as lethal as it has. CNN's Nick Paton Walsh reports.
Source: CNN
 
Possibility is their that it has mutated into its now lethal form. If I remember correctly the U.S. has all 5 strains within it's borders and the Chinese have only 2 strains at the moment.
 
I don't know...

If it has been in human body for years, everyone around the world should have it.

And definitely we all will already have the antibody.

Today outbreak is not going to happen.
 
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