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Long COVID symptoms affects one in eight, study suggests

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One in eight individuals who get coronavirus develop a minumum of one symptom of long COVID, probably the most comprehensive studies on the problem up to now suggested on Thursday.

With an increase of than half of a billion coronavirus cases recorded worldwide because the start of pandemic, there’s been rising concern concerning the lasting symptoms observed in people who have long COVID.

However almost none of the prevailing research has compared long COVID sufferers with individuals who have never been infected, rendering it possible that a few of the weren’t caused by the herpes virus.

A fresh study published in The Lancet journal asked a lot more than 76,400 adults in holland to complete an online questionnaire on 23 common long COVID symptoms.

Between March 2020 and August 2021, each participant done the questionnaire 24 times.

Throughout that period, a lot more than 4,200 of them5.5 percentreported catching COVID.

Of these with COVID, over 21 percent had a minumum of one new or severely increased 3 to 5 months after becoming infected.

However nearly nine percent of a control group which didn’t have COVID reported an identical increase.

This suggested that 12.7 percent of these who had COVIDaround one in eightsuffered from long-term symptoms, the analysis said.

The study also recorded symptoms before and after COVID infection, allowing the researchers to help expand pinpoint just what was linked to the herpes virus.

It discovered that common long COVID medical indications include , breathing difficulties, muscle pain, lack of taste and smell, and general fatigue.

‘Major advance’

Among the study’s authors, Aranka Ballering of the Dutch University of Groningen, said long COVID was “an urgent problem with a mounting human toll”.

“By considering symptoms within an uninfected control group and in individuals both before and after SARS-CoV-2 infection, we could actually take into account symptoms which might have been due to non-infectious disease health areas of the pandemic, such as for example stress due to restrictions and uncertainty,” she said.

The authors of the analysis said its limitations included that it didn’t cover later variants, such as for example Delta or Omicron, and didn’t collect information regarding some symptoms such as for example brain fog, that have since been considered a standard sign of long COVID.

Another study author, Judith Rosmalen, said “future research will include mental health symptoms” such as for example depression and anxiety, and also aspects like brain fog, insomnia and a sense of malaise after even minor exertion.

Christopher Brightling and Rachael Evans, experts from Britain’s Leicester University who have been not mixed up in study, said it had been “a significant advance” on previous long COVID research since it had an uninfected .

“Encouragingly, emerging data from other studies” suggests there exists a lower rate of long COVID in individuals who have been vaccinated or infected with the Omicron variant, they said in a linked Lancet comment.



More info: Persistence of somatic symptoms after COVID-19 in holland: an observational cohort study, The Lancet (2022). DOI: 10.1016/S0140-6736(22)01214-4

2022 AFP

Citation: Long COVID symptoms affects one in eight, study suggests (2022, August 7) retrieved 8 August 2022 from https://medicalxpress.com/news/2022-08-covid-symptoms-affects.html

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