📱 The #NHSCOVID19app helps you keep track of how long you need to self-isolate for, helping you to protect the ones you love.

Learn more about how this is calculated

➡️ https://t.co/xiGue5d7to https://t.co/zRPo0vIi0r

from http://twitter.com/NHSuk/status/1351606480114487306