> our immune systems are effective against covid When you say "our", who do you mean? 30yo with no underlying health conditions? A leukemia patient? An HIV-pos

> our immune systems are effective against covid When you say "our", who do you mean? 30yo with no underlying health conditions? A leukemia patient? An HIV-positive person? A 50yo diabetic? 40% of the adult obese Americans? Yes, healthy immune system can be effective at fighting covid. But vaccination is a matter of public health. You aim to eradicate the disease so that everyone is safe.