> if they are living a relatively normal life eg going to shops (as I think they should)
They aren’t: they are being very cautious.
> I think you could do that with lateral flow testing rather than taking a vaccine that may be net harmful to your health
Everyone in our family is already testing before each visit with our most vulnerable relatives, which is additional protection on top of the booster.
But even if this were not a factor in my life, (2) would still be sufficient.
> if they are living a relatively normal life eg going to shops (as I think they should)
They aren’t: they are being very cautious.
> I think you could do that with lateral flow testing rather than taking a vaccine that may be net harmful to your health
Everyone in our family is already testing before each visit with our most vulnerable relatives, which is additional protection on top of the booster.
But even if this were not a factor in my life, (2) would still be sufficient.