A high BMI may qualify you for a vaccine, but may not mean you’re unhealthy. Here’s how to check

With obesity a factor in Covid-19 vaccine eligibility, many Americans are scrambling to find out their body mass index, or BMI. But experts say the meaning behind those numbers — and how to lower them — isn’t always so clear-cut.With obesity a factor in Covid-19 vaccine eligibility, many Americans are scrambling to find out their body mass index, or BMI. But experts say the meaning behind those numbers — and how to lower them — isn’t always so clear-cut.