If... they have co-morbidities and or underlying health conditions. From day 1 we heard from the medical experts who were at risk of severe infection from Covid. That hasn't changed. My guess, until I hear otherwise, is that if you're a healthy person, with no underlying health risks or co-morbidities, if you contract Covid now, even with the Delta variant, you're likely going to be okay. And you still might not even know you have it which we knew from day one as well, which is why we were all supposed to mask up.