WGS the link I gave was simply because you wanted links and had nothing to do with Keith's post, mine was more to do with why our local cases
seem to have risen.
Luckily I am not quite so pedantic as you come across on this subject preferring to accept what I am told by those who are supposed to be the experts in their field. Having said that I will concede in the near or distant future they might have to admit they were not always be correct, after all what expert ever is.