Comments by "Xyz Same" (@xyzsame4081) on "Things Are Getting Worse In Canada" video.

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  2.  @nneely613  Existing immunity (vaccination and some weeks time for the immune system to build it up. OR immunity after the infection) do prevent spread: An immune person (that is not the same as vaccinated !) is very unlikely to be a spreader - that much is now clear. at least with MOST of the EXISTING mutations. And the first shot already helps a lot, even if the person gets infected they are much better protected from severe health consequences. But those case numbers should also be kept down. With the old fashioned measures (like masks or social distancing). Or they will trigger an adapation of the virus to vaccination (it helps somewhat but not enough to stop spread by the partially vaccinated person. That can be problematic because then the virus will evolve to counter the existing vaccinations). BUT: there are more contagious mutations now, and at least one against which the existing immunity does not (fully) help.The South African variante That is bad: if it gets MORE contagious you need higher herd immunity. Instead our best weapon (immunity either from vaccination or survived the infection) does not help. So wearing masks while you are immune to almost all mutations - also disrupts the potential chains of infections for these variants. Itis a race against time. I guess the vaccines are not completely useless (so far) against the ZA variant, just inadequate. Thankfully the British variant (that is also worse in many respects - like the ZA variant) still responds well to existing immunity.
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