When it comes to Covid, older adults, those immunosuppressed or who have chronic conditions are on their own. Americans disregard any moral sense of duty to protect others, whether it’s from a virus or gun violence.
https://www.nytimes.com/2023/02/11/health/covid-pandemic-seniors.html
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George, that's not unique to the US. In many countries, outside a few Asian countries where mask wearing has been a norm for decades, there is no thought or consideration for others.