“A year ago we knew little about the new viral disease that was sweeping the world, which quickly became known as COVID-19,” said the app.
“We have shown that testing everybody experiencing any of seven key symptoms – cough, fever, loss of smell, fatigue, sore throat, headache or diarrhoea – would detect 96 percent of symptomatic coronavirus infections.
“If you start feeling ill, especially with any of the seven symptoms listed above, it could be COVID-19.
“You should self-isolate, download the ZOE COVID Symptom Study app, log your symptoms and get a test to help protect your community and bring the pandemic to an end.”