
Originally Posted by
noteggs
Over the years it’s been estimated to be 60-70% to reach herd immunity. Now some say higher, so we really don’t know.
Other things we don’t know:
How many people have natural immunity at this point
How long will natural immunity last
Why the wide ranging experience people have had
Spread by droplets or aerosols How long the vaccine will last
Difference between 3 feet and 6 for social distancing
Can you transmit the virus after vaccinated Will we need a booster
Should we wear one or two masks
How much do masks help (and the other stuff we have debated ad nauseam).
Besides not knowing the length of effectiveness of the vaccine and natural immunity which makes sense, quite a lot of stuff we still don’t know even 15 months later.
Kinda makes you wonder how much can we really know about climate change if we do XYZ. Seems a lot more complex.
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