‘Historical’ Covid-19 cases: Explained – What do they mean?

Some Islanders may have been confused by the council’s reference to ‘historical’ cases in their latest Covid-19 infographic. News OnTheWight has sought a clarification

photo of computer screen showing the council's covid-19 infographic

Six months into the Coronavirus pandemic the Isle of Wight council started compiling and publishing weekly stats for Covid-19 cases and deaths. News OnTheWight has been publishing updates when changes occur since 7th March.

On Tuesdays, after the Office of National Statistics data for deaths outside the hospital is released, the council issue their infographic of cumulative cases, cases in the last seven days and rate per 100,000 of population.

‘Historical cases’
This week’s graphic included a reference to ‘historical cases’. It was not clear whether these refer to cases as little as just one day beyond the seven day period, or refer to cases from way back in time. The data for confirmed cases is taken for Monday to Monday.

News OnTheWight asked the Isle of Wight council to clarify and they confirmed ‘historical cases’ could be just beyond the seven day period of their last infographic.

A spokesperson for the Isle of Wight council told News OnTheWight,

“It means a case that has been recorded by Public Health England (PHE) this week (ie is included in the difference in totals between last week and this week) but the date it was recorded as positive is longer than seven days ago.

“For example, a test was taken on a Friday but the results maybe came back on the Monday, or it was logged with PHE on the Monday so the results were added to the national data report on the Monday but the case was found to be positive on the Friday ie the week before.”

Quite why they’ve added this reference to ‘historical cases’ is unclear, but it could be because testing and results are now taking longer.

Wednesday, 16th September, 2020 12:14pm


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Filed under: Health, Island-wide, Isle of Wight Council, Isle of Wight News, Top story

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2 Comments on "‘Historical’ Covid-19 cases: Explained – What do they mean?"

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Angela Hewitt

sorry Mrs ignorant again. More gobbldy gook

I had no problem understanding this article at all. For those of us who are covid vulnerable and anxious about having to send our children to school, up to date and accurate Covid figures are vital. With the total balls up that is the Death Secretary, and not being sure of exactly where we are at any one time, this piece is in fact really important. Independent… Read more »