Was it, the "Environmental factor of "Peeing on a Forest Fire" ?
For that matter, vaccinated people in Brazil got reinfected with the Brazil variant, and it's in the US now so vaccines are no guarantee either.
Isn't it interesting, the new "Mutation's/ Variants" are from the very locations the first human trials were performed? eg. South Africa, Brazil, U.K. and Italy?
Following the Portuguese, German and Dutch rulings, now the Austrian court has ruled that PCR tests are not suitable for COVID-19 diagnosis and that lockdowns has no legal or scientific basis.
You can read the transcript in the following link
Interesting how the world is now paying attention to the fact that PCR tests are not appropriate for testing of COVID-19 (Sars-co-V-2)