'Long Covid' risk lower with Omicron, study finds
The King's College London team looked at data
from nearly 100,000 people who logged their
Covid symptoms on an app. Just over 4% of those
infected during the Omicron wave had logged long
Covid symptoms, compared with 10% of those
infected in the preceding, Delta, wave. But as far
more were infected during the Omicron wave, the
total was higher.In fact, the much bigger number
of new infections during the Omicron wave
"entirely trumped" the variant's potential lower risk
of long Covid, Kevin McConway, emeritus professor
of applied statistics, at The Open University, said.
"Anyway, you don't really have any choice about
which virus variant you might be infected with,
" he said."What's more, nothing in these findings
tells us what might happen with a different new
variant, in terms of long Covid risk."The researchers
tried to take into account other variables, such
as how long ago someone had been vaccinated against
Covid, but it is impossible to be certain the difference
between variants caused the difference in long Covid
numbers.Lead researcher Dr Claire Steves said:
"The Omicron variant appears substantially less likely
to cause long Covid than previous variants - but still,
one out of every 23 people who catches Covid-19 goes
on to have symptoms for more than four weeks.
"Given the numbers of people affected, it's important
that we continue to support them at work,at home and
within the NHS."Officials estimate long Covid has
affected at least two million people in the UK.
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The King's College London team looked at data
from nearly 100,000 people who logged their
Covid symptoms on an app. Just over 4% of those
infected during the Omicron wave had logged long
Covid symptoms, compared with 10% of those
infected in the preceding, Delta, wave. But as far
more were infected during the Omicron wave, the
total was higher.In fact, the much bigger number
of new infections during the Omicron wave
"entirely trumped" the variant's potential lower risk
of long Covid, Kevin McConway, emeritus professor
of applied statistics, at The Open University, said.
"Anyway, you don't really have any choice about
which virus variant you might be infected with,
" he said."What's more, nothing in these findings
tells us what might happen with a different new
variant, in terms of long Covid risk."The researchers
tried to take into account other variables, such
as how long ago someone had been vaccinated against
Covid, but it is impossible to be certain the difference
between variants caused the difference in long Covid
numbers.Lead researcher Dr Claire Steves said:
"The Omicron variant appears substantially less likely
to cause long Covid than previous variants - but still,
one out of every 23 people who catches Covid-19 goes
on to have symptoms for more than four weeks.
"Given the numbers of people affected, it's important
that we continue to support them at work,at home and
within the NHS."Officials estimate long Covid has
affected at least two million people in the UK.
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