Data from Scotland on COVID-19 transmission
from Adam Kucharski: ‘Data from Scotland on reported activities and venues people visited prior to developing symptoms/testing positive. (Note this necessarily doesn’t imply they were infected in these places, just where infected people have recently been).’ “Hospitality” – ie pubs and restaurants – feature in around 22% of infections.
(tags: pubs restaurants health covid-19 via:adam-kucharski scotland infection)
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THE SWEDISH EXPERIMENT is coming to an end, as its policies fall in line with those of its neighbors. FoHM [the country’s public health authority, the Folkhälsomyndigheten] officials are “quietly changing their approach,” Einhorn says. [….] FoHM “should have listened more carefully to the scientific community both inside and outside the country,” Hansson says. Still, he predicts the rifts will eventually heal. “I am sure we will continue to argue, but I don’t see permanent damage,” he says. “We’ll move on. We’ll go back to complaining about grants.” But Ewing worries the fight has left permanent scars. He says at least three more members of the Vetenskapsforum are considering leaving Sweden, as Brusselaers did. And even if it turns out that the country has built up enough immunity to evade a new wave of disease, he says, the price has been too high. “I worry that countries around the world are going to say, ‘We can try what Sweden did.’ But we have killed too many people already.”
(tags: sweden covid-19 science herd-immunity)
Face shields are terrible at protecting against aerosols
‘Preprint on masks and neck gaiters for source control on manikin [sic] by experienced group @NIOSH : https://www.medrxiv.org/content/10.1101/2020.10.05.20207241v1 N95 blocked 99% of aerosols, surgical mask 59%, 3-ply cloth mask 51%, neck gaiter 47% (1 layer) and 60% (2 layer), face shield 2%’ 2% is just shite.
(tags: aerosols infection transmission covid-19 droplets airborne papers linsey-marr)
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Nicky Ryan is a saint.
(tags: debunking fact-checks aci ireland propaganda covid-19 conspiracy-theories journal)
Steps for Reducing COVID Transmission – Google Slides
Very solid slide deck from a group of aerosols scientists, regarding airborne transmission of SARS-CoV-2, including the evidence for aerosols, beyond droplets
(tags: aerosols droplets covid-19 sars-cov-2 presentations airborne)