Cheshire news Focus on 'classic' COVID-19 symptoms 'could miss third of cases' MetiNews.Com
MetiNews.Com - Research has found that extending the list with four symptoms would have detected 96 per cent of symptomatic cases
Breaking News ! Focusing on 'classic' COVID-19 symptoms could miss a third of cases, a study has found. Research led by King's College London has suggested that restricting testing to 'classic' symptoms, required for a PCR test through the NHS, may have caused missed cases. At present, the three 'classic' symptoms are a cough, fever and loss of smell. However, research has found that extending the list to include fatigue, sore throat, headache and diarrhoea would have detected 96 per cent of symptomatic cases. The findings, published in the Journal of Infection, are based on data from over 122,000 UK adult users of the ZOE Covid Symptom Study App who underwent PCR swab testing. Professor Tim Spector from the School of Life Course Sciences said: "We’ve known since the beginning that just focusing testing on the classic triad of cough, fever and anosmia misses a significant proportion of positive cases. "We identified anosmia as a symptom back in May and our work led to the government adding it to the list, it is now clear that we need to add more. "By inviting any users who log any new symptoms to get a test, we confirmed that there are many more symptoms of COVID-19. "This is especially important with new variants that may cause different symptoms. "For us, the message for the public is clear: if you’re feeling newly unwell, it could be COVID and you should get a test." The study was an effort by researchers from King's College London and the Coalition for Epidemic Preparedness Innovations (CEPI). Try the CheshireLive newsletter now The CheshireLive newsletter is the easiest way to get straight to the best stories of the day. You can try the CheshireLive newsletter here, by clicking this link.
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It analysed data from more than 122,000 UK adult users of the ZOE COVID Symptom Study app. These users reported experiencing any potential COVID-19 symptoms, and 1,202 of those reported a positive PCR test within a week of first feeling ill. They found that while PCR swab testing is the most reliable way to tell whether someone is infected with the SARS-CoV-2 coronavirus that causes COVID-19, the limited list of three does not catch all positive cases of COVID-19. According to the study, testing people with any of the three ‘classic’ symptoms would have spotted 69 per cent of symptomatic cases, with 46 people testing negative for every person testing positive.
Testing people with any of seven key symptoms - cough, fever, anosmia, fatigue, headache, sore throat and diarrhoea - in the first three days of illness would have detected 96 per cent of symptomatic cases. In this case, for every person with the disease identified, 95 would test negative. Researchers also found users of the Symptom Study App were more likely to select headache and diarrhoea within the first three days of symptoms, and fever during the first seven days, which reflects different timings of symptoms in the disease course. Data from the ZOE app shows that 31 per cent of people who are ill with COVID-19 don’t have any of the triad of symptoms in the early stages of the disease when most infectious.
Source = MetiNews.Com