A total of 149,253 people tested positive for COVID-19 in England in the week to 4 November, an 8% increase on the previous week, the latest data from NHS Test and Trace shows.
The numbers are the highest since NHS Test and Trace was launched at the end of May and is an increase of 8% in positive cases on the previous week.
Some 60.4% of close contacts of people who tested positive for COVID-19 in England were reached through the system in the week ending 4 November, according to the latest figures.
This is up very slightly from 60.2% in the previous week and is also just above the all-time low of 60.1% for the week to 14 October.
For cases managed by local health protection teams, 99.1% of contacts were reached and asked to self-isolate in the week to 4 November.
For cases managed either online or by call centres, 59.0% of close contacts were reached and asked to self-isolate.
Of the 141,804 people transferred to the test and trace system in the week to 4 November, 85.0% were reached and asked to provide details of recent close contacts.
This is the highest weekly percentage since NHS Test and Trace began, and is up from 84.1% in the previous week.
Some 13.2% of people transferred to Test and Trace in the week to 4 November were not reached while a further 1.9% did not provide any communication details.