NYC was probably infected by the virus carrying people from both Europe and China arriving by the tens of thousands when the USA still allowed them in, before Trump shut it down.
45% of NYC population isn’t American.
They’re also not healthy, don’t go outside (no vitamin D), overweight, etc.
I recall in Florida on a gorgeous day in October about 1/2 from a perfect beach I saw a bar full of guys from NY/NJ/PA getting plastered instead of being at the beach. I was dragged in there by a female who really wanted a pina colada.
Male coronavirus patients with low testosterone levels are MORE likely to die from COVID-19, German hospital finds