But I'd rather be injected with a litre of smallpox than go vegan.
This is why people who take immunosuppressants typically avoid going out in public, and when they do they wear serious masks intended to protect them from others.
Many vaccine-resistant folks will throw this population away from the entire risk analysis equation, treating them as a mere error term. At least, this has been my observation. In my opinion they should just admit they don't care about the fate of others beyond the 'thoughts and prayers' passive level.