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#COVID19

47 messages36 participants0 message aujourd’hui

"A mere 0.1% of users share 80% of fake news. Twelve accounts – known as the “disinformation dozen” – created most of the vaccine misinformation on Facebook during the pandemic. These few hyperactive users produced enough content to create the false perceptions that many people were vaccine hesitant."

"Are a few people ruining the internet for the rest of us?", The Guardian, Sun 13 Jul 2025
theguardian.com/books/2025/jul

Archive link: archive.ph/Eu57Y

The Guardian · Are a few people ruining the internet for the rest of us?Par Guardian staff reporter

Here's the latest variant picture for the "Global - Other" countries, to late June.

The NB.1.8.1 "Nimbus" variant was fairly steady, finishing at 49%.

XFG.* "Stratus" grew strongly to 30%.

The volatility is due to the ragged timing of submissions from various countries.

This perspective excludes all the high-volume countries and regions that I routinely report on: Australia, NZ, Europe, Canada and the US. The remaining countries are aggregated into this report.

#COVID19 #GlobalOther #NB_1_8_1 #Nimbus #XFG #Stratus
🧵

medicalxpress.com/news/2025-07

tweaking the structure of the…lipid #nanoparticles (LNPs) that deliver #mRNA, not only reduces inflammation but also boosts #vaccine effectiveness for preventing or treating a range of diseases, from #COVID19 to #cancer.

The key change? Adding #phenol groups, chemical compounds with anti-inflammatory properties famously found in foods like olive oil.

"By essentially changing the recipe for these lipids, we were able to make them work better with fewer side effects."

Medical Xpress · Less pain, more gain: Phenol-groups drive a new recipe for safer, stronger mRNA vaccinesPar University of Pennsylvania

Patients recovering from #COVID19 who presented with #anosmia during their acute episode have behavioral, functional, and structural brain alterations | #Parkinson |
nature.com/articles/s41598-024

NaturePatients recovering from COVID-19 who presented with anosmia during their acute episode have behavioral, functional, and structural brain alterations - Scientific ReportsPatients recovering from COVID-19 commonly exhibit cognitive and brain alterations, yet the specific neuropathological mechanisms and risk factors underlying these alterations remain elusive. Given the significant global incidence of COVID-19, identifying factors that can distinguish individuals at risk of developing brain alterations is crucial for prioritizing follow-up care. Here, we report findings from a sample of patients consisting of 73 adults with a mild to moderate SARS-CoV-2 infection without signs of respiratory failure and 27 with infections attributed to other agents and no history of COVID-19. The participants underwent cognitive screening, a decision-making task, and MRI evaluations. We assessed for the presence of anosmia and the requirement for hospitalization. Groups did not differ in age or cognitive performance. Patients who presented with anosmia exhibited more impulsive alternative changes after a shift in probabilities (r =  − 0.26, p = 0.001), while patients who required hospitalization showed more perseverative choices (r = 0.25, p = 0.003). Anosmia correlated with brain measures, including decreased functional activity during the decision-making task, thinning of cortical thickness in parietal regions, and loss of white matter integrity. Hence, anosmia could be a factor to be considered when identifying at-risk populations for follow-up.

"Almost 20% of people who were hospitalized for #COVID19 infections early in the pandemic still had signs of impairment with #brain function 2 years after infection, finds a new study in Scientific Reports." You really, really do need to take #COVID seriously and protect yourself. #CovidIsNotOver cidrap.umn.edu/covid-19/covid-

www.cidrap.umn.eduCOVID hospitalization linked to cognitive impairment 2 years laterHospitalized patients more often had 3 or more impaired cognitive domains than non-hospitalized participants did.