April 28, 2024

Omicron’s Silver Lining: Significantly Lower Risk of Long COVID

Understanding Long COVID and its Relation to Variants
Long-term symptoms can develop after a coronavirus infection. This is typically referred to as “long COVID” or “Post COVID-19 condition.” The underlying risk aspects are presently under intensive investigation.
” We desired to comprehend the connection between long COVID and different coronavirus versions, vaccinations, and previous infections,” explains Sophie Diexer, first author of the brand-new study and scientist at the Institute of Medical Epidemiology, Biometry and Informatics at University Medicine Halle. “Our study reveals that the percentage of individuals who develop long COVID signs after an infection was least expensive at the time when Omicron was prevalent.”
The danger was discovered to be around three to four times lower after an Omicron infection than after an infection with the wild-type variation. Around half of all wild-type contaminated individuals reported continuing signs. It must be kept in mind, however, that the majority of all infections took place while Omicron was dominant. “In purely numerical terms, this implies that many people developed long COVID following an Omicron infection,” says Diexer.
Recovery and Reduced Risk
Once the patient has actually recovered from a coronavirus infection, the research study likewise offers strong proof of a protective effect. “People who did not develop persistent symptoms after their preliminary infection had a considerably lower threat of establishing long COVID following re-infection than people who were infected with the coronavirus for the first time. We were surprised by the scale of this result,” discusses the scientist.
Nevertheless, the scientists were not able to show that, in the event of a vaccine advancement, the vaccine had any protective result against long COVID. Due to the timing of the research study, however, it was not possible to evaluate the vaccine that particularly targeted the Omicron variation.
Details and Background of the Study
The study is based upon the Germany-wide DigiHero project, which more than 48,000 individuals took part in till June 2022. “Studies have actually already taken a look at the relationship in between the threat of long COVID and the various versions, but none has taken into consideration infection history,” discusses Professor Rafael Mikolajczyk, director of the Institute of Medical Epidemiology, Biometry and Informatics at University Medicine Halle.
” Of the respondents, around 11,000 reported a minimum of one coronavirus infection that had actually taken place in the twelve weeks prior to when the information was collected for our study. Classification was based upon the predominant version at the time of the reported infection.”
Individuals were questioned about 24 normal long COVID signs, with 2,822 individuals reporting that they had actually experienced such signs. Of these, 406 (14 percent) reported experiencing serious tiredness, 237 (8 percent) serious headaches, and 202 (7 percent) serious shortness of breath. The intensity of the signs was not associated with the coronavirus variation.
Future Investigations and DigiHero Project
Follow-up surveys are presently being performed to check out the persistence of long COVID symptoms. “In addition to possible long-term symptoms following a coronavirus infection, DigiHero is attending to a large range of health concerns and other effects of the COVID-19 pandemic,” adds Mikolajczyk.
On the basis of DigiHero, University Medicine Halle has actually likewise introduced the Long COVID Registry in cooperation with Otto von Guericke University Magdeburg and the Rechts der Isar Hospital of the TUM School of Medicine. The pc registry records, for instance, long COVID signs along with their progression, seriousness, and alleviation through particular treatments.
Recommendation: “Association in between Virus Variants, Vaccination, Previous Infections, and Post COVID-19 Risk” by Sophie Diexer, Bianca Klee, Cornelia Gottschick, Chao Xu, Anja Broda, Oliver Purschke, Mascha Binder, Thomas Frese, Matthias Girndt, Jessica I. Hoell, Irene Moor, Michael Gekle and Rafael Mikolajczyk, 25 August 2023, International Journal of Infectious Diseases.DOI: 10.1016/ j.ijid.2023.08.019.
DigiHero is a Germany-wide, population-based digital health research study. To date, over 90,000 individuals from 14 German states have actually signed up. Individuals are invited to finish online surveys that check out issues surrounding the development of persistent illness, healthy aging, health habits, and the coronavirus. 5 centers and 4 institutes from University Medicine Halle are participating. Other project partners include Jena University Hospital, the Leibniz Institute for Prevention Research and Epidemiology– BIPS, and the University of Bremen.

A study found that the threat of developing long COVID is substantially decreased after an Omicron infection compared to earlier coronavirus versions. The research evaluated information from 11,000 people and discovered those who recovered without long COVID from their initial infection had actually a reduced danger upon re-infection. The threat was found to be around 3 to four times lower after an Omicron infection than after an infection with the wild-type variation. “In simply mathematical terms, this indicates that most people developed long COVID following an Omicron infection,” says Diexer.
“People who did not develop persistent signs after their preliminary infection had a substantially lower danger of developing long COVID following re-infection than people who were contaminated with the coronavirus for the first time.

A research study discovered that the danger of establishing long COVID is substantially lowered after an Omicron infection compared to earlier coronavirus variants. The research analyzed data from 11,000 individuals and found those who recovered without long COVID from their preliminary infection had a decreased danger upon re-infection. Nevertheless, the study couldnt ascertain any vaccines protective result versus long COVID.
Omicron infections have a lower risk of long COVID than earlier variations, according to a research study evaluating data from 11,000 individuals.
The risk of establishing long COVID is substantially lower following an infection with the Omicron variation than after an infection with earlier coronavirus variants. This was the finding of a study by University Medicine Halle, which was published in the International Journal of Infectious Diseases.
The analysis looked at details gathered from 11,000 people about their infection history, vaccination status, and post-infection signs. If the patient did not develop long COVID after the preliminary infection, the data provide strong evidence that the danger for long-term results after a re-infection with the coronavirus is lower.