> the more likely they were to protect themselves at the early stages of the Covid-19 pandemic in the United States Emphasis on "early stages". When there was

> the more likely they were to protect themselves at the early stages of the Covid-19 pandemic in the United States Emphasis on "early stages". When there was no data available and before the issue was politicised, of course it made sense for people who could afford it to preventively self-isolate. Poor people simply didn't have an option (as in many other things).