Yvonne Doyle, medical director at Public Health England, said the rise in new cases provides a clear signal and urged people to follow the new rules.
People with older phones have been frustrated at being unable to access the NHS Covid-19 app.
The coronavirus contact tracing app for England and Wales is now available.
The app uses Bluetooth to log close contact with others to help with contact tracing and a new QR code system for checking in at venues.
England and Wales prepares to launch its own app on Thursday in a bid to stem the virus’s spread.
The social media platform said a recent incident where clips showing a suicide spread online was driven by “dark web groups”.
Unprecedented restrictions were announced on March 23.
The Briton missed the finish chute at the end of the 10km run but was allowed to finish third by Spaniard Diego Mentrida.
The move will come into effect on Sunday.
The first version, an NHSX app, was trialled on the Isle of Wight with the aim of it being rolled out more widely across the country in May.
The European Court of Justice issued its first interpretation of the EU’s net neutrality rules since they were adopted in 2015.
Businesses and venues are being urged to download posters displaying QR codes to help with contact tracing.
The US has imposed various sanctions on Huawei, citing national security concerns.
The charity has worked with the Government and tech giants to create new industry standards on handling self-harm content.
Kirstie Penman said: “At that point I just started crying, upset because it’s a long journey for a test.”
