blueparrot
Well-Known Member
- Joined
- 7 Jun 2012
- Messages
- 33,486
Don't think it is that, currently the positives are given as a %age of newly tested. So if somebody has been tested previously or tested every week they aren't counted currently. For example if they do 100 tests and 10 are positive, but 50 of those had previos tests only the 50 newley tested would count giving a 20% positive figure. Under the new method the whole 100 tests will count giving 10% positive.The cases are again hinting at a plateau - though they are still investigating the drop yesterday caused by diverting Lighthouse lab cases elsewhere due to our old friend'testing capacity issues'.
They are also changing the way they record % positive tests in Scotland by not counting them more than once as has apparently been happening.
So the % positive will change from here on to better reflect NEW positive cases only not just people who have been reconfirmed via multiple tests. I think that is what she is saying.
She notes that the 17.1% positive today under the old measures will - under the new measure - fall to 6.4%.
So it creates a big change and worth recalling that in future when this seems to be much lower in weekly comparisons.
The idea being over time a very high number of us will have had previous tests, so the newly tested number will be smaller and meaningless.