Because the Mexicans are very practical, they are out doing what they usually do here in AZ and not dying more than anyone else. Cartels have always been smart enough to buy support on low levels as well as high, just like the Democrats.

Idle thought: If UV light shining on blood helps kill viruses, maybe even darker people getting sun exposure are having a mild treatment. And as rhe weather gets hotter and more skin is exposed, virus levels go down and that's also why warmer countries have less flu and colds.