Vaccine development would take at least a year. V
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Vaccine needs extensive testing for how well it works, side effects, unintended consequences, failure rate, and live testing of how long any immunity from the vaccine will last.
How many vaccines can be made per year? It's a complicated process.
Who among the 7 billion world population gets one of the vaccine doses?
As the Covid-19 strains mutate will the vaccine still be effective?
Finally, if someday you are given the vaccine dose, wouldn't you want it recorded on QDX HealthID to show everyone that you are now immune?