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An international team of researchers has been tracking signs of infection throughout the pandemic with the Covid Symptom Study using a mobile app where users could self-report their symptoms. Data on the omicron variant is still preliminary, but a group of 171 app users in the United Kingdom, most of whom are vaccinated, recently reported that their top symptoms for omicron were a runny nose, headache, fatigue, sneezing, and a sore throat. These were also the top symptoms for people infected with the delta variant.
That’s a departure from “the classic three” Covid-19 symptoms of fever, cough, and loss of sense of smell or taste associated with earlier variants, researchers say.
“For most people, an omicron positive case will feel much more like the common cold, starting with a sore throat, runny nose, and a headache,” Tim Spector, a professor of epidemiology at King’s College London and the lead scientist for the symptom study, told the BBC this week. ”We need to change public messaging urgently to save lives.”