Our immune systems are pretty amazing.
It's also good to help them along sometimes.
It's also good to help them along sometimes.
Edit: most bubonic plague infections didn’t kill so I don’t know what the point of “most people survive” is. The problem is that some don’t.
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.