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U.K. Sends Contact Tracers Door-to-Door to Track Spread of Virus
- Government overhauls NHS Test and Trace service after problems
- Local teams will seek out individuals at home, if necessary

A member of the U.K. armed forces takes a completed Covid-19 test from a driver at a mobile testing centre in Leicester, U.K., on June 29.
Photographer: Darren Staples/Bloomberg