Coronavirus | The Guardian

Results confirm how uncommon known complications are as researchers confirm benefits from vaccines still ‘vastly outweigh the risks’Get our morning and afternoon news emails, free app or daily news podcastTwo new but exceptionally rare Covid-19 vaccine side effects – a neurological disorder and inflammation of the spinal cord – have been detected by researchers in the largest vaccine safety study to date.The study of more than 99 million people from Australia, Argentina, Canada, Denmark, Finland, France, New Zealand and Scotland also confirmed how rare known vaccine complications are, with researchers confirming that the benefits of Covid-19 vaccines still “vastly outweigh the risks”.Sign up for Guardian Australia’s free morning and afternoon email newsletters for your daily news roundup Continue reading…
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22/02/2024 – 15:03 /Natasha May
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Coronavirus | The Guardian

If barrier controlling substances entering and exiting brain is off balance, it can drive changes in neural functionFrom forgetfulness to difficulties concentrating, many people who have long Covid experience “brain fog”. Now researchers say the symptom could be down to the blood-brain barrier becoming leaky.The barrier controls which substances or materials enter and exit the brain. “It’s all about regulating a balance of material in blood compared to brain,” said Prof Matthew Campbell, co-author of the research at Trinity College Dublin. Continue reading…
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22/02/2024 – 12:02 /Nicola Davis Science correspondent
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Coronavirus | The Guardian

Researchers think undercounting goes beyond overloaded health systems to a lack of awareness of Covid and low levels of testingThe Covid death toll in the US is likely at least 16% higher than the official tally, according to a new study, and researchers believe the cause of the undercounting goes beyond overloaded health systems to a lack of awareness of Covid and low levels of testing.The second year of the pandemic also had nearly as many uncounted excess deaths as the first, the study found. Continue reading…
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21/02/2024 – 18:04 /Melody Schreiber
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