[kbelder]

>Doesn't need to be 100% - has been well modelled 85% would be enough.

I can't believe anybody seriously believes that. In addition to the fact that different expers have quoted different figures, and prominent health officials have admitted to deliberately lying about the percentage needed, you have to realize that many of the parameters that go into such a model still have huge error bars.

If the quoted figure was '85%, plus or minus 10%, has a 95% chance of granting herd immunity', I _might_ take it seriously. I think that's still overstating the confidence we have.