Coronavirus ‘ghosts’ found lingering in the gut
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(Heidi Ledford/ Nature) — In the chaos of the first months of the coronavirus pandemic, oncologist and geneticist Ami Bhatt was intrigued by widespread reports of vomiting and diarrhoea in people infected with SARS-CoV-2.

“At that time, this was thought to be a respiratory virus,” she says. Bhatt and her colleagues, curious  …

Should public health measures like masking continue beyond the pandemic?
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(Rutvij A. Khanolkar, Eddy S. Lang/ The Conversation) —  Public health measures, such as masking and physical distancing, that have been a high-profile part of the COVID-19 response for the past two years are now beginning to lift. However, surprisingly little attention has been paid to the remarkable effects of  …

Cause of neurological COVID-19 symptoms explored
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(Timothy Huzar/ Medical News Today) — Researchers have been exploring the way COVID-19 affects a person’s nervous system, causing neurological symptoms.

This week, they presented their findings at Neuroscience 2021. This event is the annual meeting of the Society for Neuroscience, which is the largest  …

Antidepressants may reduce severity of COVID-19
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(Nick Zagorski/ Psychiatric News) — While effective COVID-19 vaccines continue to be approved and distributed worldwide, these injections are only one step of a multistep process to control the devastation caused by the pandemic. Even with millions of people receiving COVID-19 vaccines, the virus will continue to   …

Smokers up to 80% more likely to be admitted to hospital with Covid
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(Linda Geddes/ The Guardian) — Smokers are 60%-80% more likely to be admitted to hospital with Covid-19 and also more likely to die from the disease, data suggests.

A study, which pooled observational and genetic data on smoking and Covid-19 to strengthen the evidence base, contradicts research published at the  …

Merck says it has the first antiviral pill effective against Covid
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(Rebecca Robbins/ New York Times) — The drug maker Merck said on Friday that its pill to treat Covid-19 was shown in a key clinical trial to halve the risk of hospitalization or death when given to high-risk people early in their infections.

The strong results suggest that a new wave of effective and easy-to-use treatments  …

COVID-19 study that turned out to be wrong spread like wildfire among anti-vaxxers
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(Adam Miller/ CBC News) — An inaccurate Canadian study suggesting an extremely high rate of heart inflammation after COVID-19 vaccines has been retracted due to a major mathematical error — but not before it spread like wildfire on anti-vaccination websites and social media.

The preprint study, which was released  …

Why Canadians need to keep their guard up in the 4th wave
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(Adam Miller/ CBC News) — Canadians are entering one of the most confusing chapters of the pandemic — and many may be left wondering why we’re not where we’d hoped to be after becoming one of the most vaccinated countries in the world.

Reports of waning immunity from COVID-19 vaccines, the potential  …