All those countries are small aside from China whose vaccine is not very effective and people with high East Asian ancestry have natural mutations against COVID

All those countries are small aside from China whose vaccine is not very effective and people with high East Asian ancestry have natural mutations against COVID. https://www.nature.com/articles/s41586-020-2818-3 https://www.nature.com/articles/s41586-020-2818-3 You say vaccination or serious measure, which is the truth? Could a mutation not occur elsewhere and infect a densely populated area? There isn’t evidence that the places most affected were the origins of the virus mutations.