After a detailed analysis of a symptom-tracking app, British scientists have found that users infected with the new coronavirus Omicron variant are more likely to develop a "long-term new crown" than those infected with the new coronavirus delta variant. Body is 20% -50% lower. The research was published in the recent British journal The Lancet.
According to the guidelines issued by the National Institute for Health and Clinical Excellence (NICE) in the United Kingdom, long-term new crown refers to patients with new crown virus symptoms that persist for more than 4 weeks after infection. These symptoms, including fatigue, shortness of breath, difficulty concentrating, and joint pain, can adversely or even severely affect a patient's daily activities.
In the latest study, Claire Stephen and colleagues at King's College London used data from the long-running outbreak tracker ZOE Symptoms of Coronavirus Disease Study (ZOE-COVID), which asked people to enter their own health information and any COVID-19 Virus positive test result.
They looked at 56,003 of those who tested positive for the virus for the first time between December 20, 2021 and March 9, 2022, when Omicron was the dominant strain in the UK. And a further 41,361 people who tested positive for the virus for the first time between 1 June 2021 and 27 November 2021 (when Delta was the dominant strain in the UK). All participants received at least one dose of the new crown vaccine.
It was found that about 4.4% of patients infected with Omicron had a long-term new crown; among patients infected with Delta, the proportion was 10.8%. However, the researchers emphasized that the absolute number of chronic Covid-19 cases was actually higher during the period when Omicron was dominant. Because from December 2021 to February 2022, many people were infected with Omicron. The ONS estimates that the number of long-term Covid-19 patients has actually increased from 1.3 million in January 2022 to 2 million on 1 May 2022.
Stephen said the discovery was not unexpected. Other studies have shown that severe Covid-19 is more likely to lead to long-term Covid-19, and Omicron infection causes milder symptoms than Delta. Still, Omicron is likely to increase the overall number of people with long-term Covid-19 in the UK, as this variant is more transmissible and infects more people.
According to the guidelines issued by the National Institute for Health and Clinical Excellence (NICE) in the United Kingdom, long-term new crown refers to patients with new crown virus symptoms that persist for more than 4 weeks after infection. These symptoms, including fatigue, shortness of breath, difficulty concentrating, and joint pain, can adversely or even severely affect a patient's daily activities.
In the latest study, Claire Stephen and colleagues at King's College London used data from the long-running outbreak tracker ZOE Symptoms of Coronavirus Disease Study (ZOE-COVID), which asked people to enter their own health information and any COVID-19 Virus positive test result.
They looked at 56,003 of those who tested positive for the virus for the first time between December 20, 2021 and March 9, 2022, when Omicron was the dominant strain in the UK. And a further 41,361 people who tested positive for the virus for the first time between 1 June 2021 and 27 November 2021 (when Delta was the dominant strain in the UK). All participants received at least one dose of the new crown vaccine.
It was found that about 4.4% of patients infected with Omicron had a long-term new crown; among patients infected with Delta, the proportion was 10.8%. However, the researchers emphasized that the absolute number of chronic Covid-19 cases was actually higher during the period when Omicron was dominant. Because from December 2021 to February 2022, many people were infected with Omicron. The ONS estimates that the number of long-term Covid-19 patients has actually increased from 1.3 million in January 2022 to 2 million on 1 May 2022.
Stephen said the discovery was not unexpected. Other studies have shown that severe Covid-19 is more likely to lead to long-term Covid-19, and Omicron infection causes milder symptoms than Delta. Still, Omicron is likely to increase the overall number of people with long-term Covid-19 in the UK, as this variant is more transmissible and infects more people.
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