Almost nine out of ten people with Covid-19 have no symptoms, new research shows. Office for National Statistics data now suggests 86% of those who tested positive were asymptomatic.
This is an increase on previous estimates and scientists are calling for a change to the UK’s testing strategy, based around random testing of the general public.
Some 77% of people who had a positive test had no symptoms on the day of their test, while 86% did not have a cough, temperature or loss of taste/smell.
Researchers led by Professor Irene Petersen at University College London (UCL) analysed data from the Office for National Statistics (ONS) coronavirus infection survey, which has been testing thousands of households every week regardless of whether