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Long COVID-19 increases risk of type 2 diabetes, study shows


People who have contracted long COVID-19 are at an increased risk of developing type 2 diabetes within a year, new research has revealed.
Researchers reviewed the medical records of army veterans in the US where they looked at more than 180,000 people who developed COVID-19 at the start of the pandemic in March 2020 until September last year.

The group was then compared to millions of veterans who did not have the infection.

The new study says people diagnosed with COVID-19 were 46 per cent more likely to develop type two diabetes.
The new study says people diagnosed with COVID-19 were 46 per cent more likely to develop type two diabetes. (AP)

Overall, people diagnosed with COVID-19 were 46 per cent more likely to develop type two diabetes.

Australian experts said it’s an important study but other factors may have contributed to the rise in diabetes diagnoses.

“People who’ve had COVID-19 may be more likely to consult their doctor and that might mean conditions like diabetes, which don’t always cause symptoms, might be picked up more frequently,” Professor Jonathon Shaw from Baker Heart and Diabetes Institute said.

Professor Jonathon Shaw from Baker Heart and Diabetes Institute said people who've had COVID-19 might see conditions like diabetes.
Professor Jonathon Shaw from Baker Heart and Diabetes Institute said people who’ve had COVID-19 might see conditions like diabetes. (9News)

The authors of the study said the virus itself could impair the production of insulin in the pancreas, or persistent low-grade inflammation could be to blame for the development of diabetes.

“We’re going to need to continue to monitor what happens to people after having COVID-19 and that’s going to occupy us for months and years to come so we get a full understanding of this condition,” Professor Shaw said.

SYDNEY, AUSTRALIA - JANUARY 21: A COVID-19 testing clinic sign at Royal Prince Alfred Hospital on January 21, 2022 in Sydney, Australia. NSW has recorded 46 deaths from COVID-19 in the last 24 hours, marking the deadliest day in the state since the start of the pandemic. NSW also recorded 25,168 new coronavirus infections in the last 24 hour reporting period. (Photo by Jenny Evans/Getty Images)

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Long COVID-19 studies are continuing both in Australia and overseas.

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