Besides looking for the origin, we also need to look at how this virus has been mutating.

Each successive generation is more transmissible than the previous. The Alpha strain found in UK is more transmissible than the original strain.

The Delta variant, or B.1.617.2 found in India, is even more transmissible than the Alpha variant.

The pattern is clear, the virus is mutating so it can transmit its genetic materials at a faster and wider rate.

I used to think it'll become less deadly as it mutates to accomplish the "more transmissble" goal, but now I'm not too sure.

I don't think either one is mutually exclusive to the other. This virus doesn't necessarily needs to be weaker to become more transmissible.

It's unique ability to cling onto host cells cements it's ability to widely transmit. The byproduct of killing off more hosts than all previous versions of covid virus is just that, a byproduct.

Just my 2 cents.

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2003 X5 4.6is Estoril Blue, acquired March 2018
2013 128i M Sport 6 MT Space Grey daily driver
2010 535xi 6 MT Barbera Red