How UK tracked down mystery person with Brazilian variant 

(Dominic Lipinski/PA)

A team of 40 people, armed with just a single bar code and limited test data, spent days using “dogged determination” to track down the mystery person infected with the Manaus coronavirus variant.

Data analytic experts and laboratory and logistic resources were drafted in to help identify the individual who tested positive for the variant of concern, with the team narrowing in on them among thousands of potential households.