Public Health England lost about 16,000 Covid-19 positive tests due to not understanding Excel spreadsheet limitations

The BBC has confirmed the missing Covid-19 test data was caused by the ill-thought-out use of Microsoft’s Excel software. Furthermore, PHE was to blame, rather than a third-party contractor.

Source: Covid: Test error ‘should never have happened’ – Hancock – BBC News

Could have happened to anyone. What’s 16,000 lost positive test results among friends, anyway?