While BMI isn’t a foolproof standard by which to assess potential health risk factors, obesity medicine physician Dr. Fatima Stanford told NPR, “overall, it’s a good measure” in this case. It would be dangerous for people with obesity to not get vaccinated, she said, given that obesity is a risk factor for both severe illness and hospitalization from COVID-19. “We’re talking about two inflammatory conditions. We have chronic inflammation associated with obesity, the disease, not playing well with the acut