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Links for 2021-12-21

  • _SARS-CoV-2 on surfaces and HVAC filters in dormitory rooms_

    Interesting new preprint on fomite transmission of SARS-CoV-2 from Linsey Marr et al. tl;dr: “SARS-CoV-2 RNA was found on more than half of surface samples and HVAC filters in dormitory rooms [housing students who were in quarantine or isolation]; the virus was not infectious.”

    (tags: fomites transmission covid-19 sars-cov-2 surfaces university students dormitories linsey-marr)

  • Mass rapid tests in Liverpool cut hospital stays by a third

    Rapid antigen tests, deployed carefully to include serial testing of presymptomatic and asymptomatic people, saved lives:

    An analysis has shown that it was more successful than Liverpool’s scientists and public health teams had anticipated, after they compared Covid cases and outcomes in the region with other parts of England. Professor Iain Buchan, dean of the Institute of Population Health, who led the evaluation, said: “This time last year, as the Alpha variant was surging, we found that Liverpool city region’s early rollout of community rapid testing was associated with a 32% fall in Covid-19 hospital admissions after careful matching to other parts of the country in a similar position to Liverpool but without rapid testing. “We also found that daily lateral flow testing as an alternative to quarantine for people who had been in close contact with a known infected person enabled emergency services to keep key teams such as fire crews in work, underpinning public safety.”

    (tags: rapid-tests antigen-tests testing covid-19 sars-cov-2 liverpool public-health lfts serial-testing)

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