The health secretary has said the hunt for an unidentified person with the Brazil Covid-19 variant(P1) has been zone into 379 household radios within the south-east of England.
Matt Hancock told the House of Commons on Tuesday 2 March, that officials had now “identified the batch of home test kits in question”.
He added: “Our search has narrowed from the whole country down to 379 households in the southeast of England and we’re contacting each one.