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Omicron variants cause different symptoms than Delta, studies discover | Coronavirus

Omicron variants cause different symptoms than Delta, studies discover | Coronavirus

 


Studies show that people with Omicroncovid variants have shorter symptoms, are at lower risk of hospitalization, and tend to have a different set of symptoms than those with Delta.

Towards the end of last year, the highly contagious variant of Omicron became predominant, revealing that it was better at dodging the body’s immune response than Delta. Causes less severe illness..

Now, a large study has produced a report that not only confirmed the findings, but also confirmed that Omicron was linked. Shorten the duration of illness When Various collections of symptoms..

Research comes Only a few days after the NHS added nine more symptoms to Covid To its existing list of fever, new and persistent cough, and loss or change of taste and smell. Researchers report that people who had Covid at the time of the Omicron epidemic had at least one of the latter three symptoms compared to those who had Covid at the time of the Delta epidemic. I found that the chances are about half.

Professor Tim Spector, co-author of Kings’ research, said: The University of London added that the team presented data to the government about five months ago, showing that sore throat has replaced the loss of odor as a symptom.

Presented at the European Clinical Microbiology and Infectious Diseases Conference and presented at Lancet, this study is based on data from 63,002 participants in the Zoecovid study.

Researchers found that between June 1, 2021 and November 27, 2021, when Delta was the most common subspecies, about 4,990 participants were confirmed to be infected with Covid, and Omicron was predominant in 2021. Consistent with 4,990 participants who reported infection between 20 December 2022 and 17 January 2022. It is based on age, gender, and whether you have been vaccinated two or three times. Next, we compared the experiences of both groups.

The team found that participants’ symptoms lasted an average of 6.9 days during the Omicron-dominated period, while Delta-dominated for 8.9 days, and infections during the Omicron period were 25% less likely to be hospitalized. I found it to be related.

The results suggested that only 17% of people who had Covid when Omicron ruled lost their sense of smell, compared to 53% when Delta ruled. However, both sore throat and hoarseness were more common among the former.

Specter said the symptom recording approach used in the study was an invaluable tool. “”[It] We need to warn us of things to keep in mind if the following variants are inevitably present, “he says, and adding actions needs to be quicker in the future.

“We need to react more to the public health message,” he said.

Dr. David Strain, a senior clinical lecturer at the University of Exeter School of Medicine who was not involved in the study, said the findings are consistent with what the hospital experienced earlier in the year BA.1. Omicron variant Dominant. However, after that, the Omicron variant BA.2 was taken over, and in his experience the situation changed again.

“People in the hospital have been in the hospital longer and the staff have been positive for a longer time, so it will take longer for them to get back to work,” he said.

Research came as React-1 study reveals Average prevalence of Covid overall England It was the highest level ever recorded. Meanwhile, the UK Health and Security Agency reported Thursday that 15.3% of people over the age of 75 had received the Spring Booster Covid Jab so far.

Sources

1/ https://Google.com/

2/ https://www.theguardian.com/world/2022/apr/07/omicron-variant-does-cause-different-symptoms-from-delta-study-finds

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