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Catherine Clase
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Catherine Clase
@CMClase
Professor of medicine, kidney doc, epidemiologist, editor, mask researcher, @docshumanity. Opinions my own. 🦋@CatherineClase
Treaty 3|#Hamont she/her
maskevidence.org
Joined November 2011
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  • Pinned
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    Catherine Clase
    @CMClase
    Apr 2
    Death penalties are bad Hanging people is bad A death penalty for some, not all, is apartheid Wherever you are, do what you can: ✅Boycott Israel ✅Sanction Israel @MarkJCarney ✅Divest from Israel @McMasterU thepipd.com/wp-content/upl…
    514
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    Catherine Clase
    @CMClase
    Apr 15, 2023
    Hospitals That Ditch Masks Risk Exposure | Bill of Health “But hospitals seeking to avoid liability for hospital-acquired infections cannot bank on plaintiffs being unable to show causation. For example, if an individual is hospitalized….” 1/2 blog.petrieflom.law.harvard.edu/2023/02/20/hos…
    86K
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    Catherine Clase
    @CMClase
    Jan 13, 2023
    ➡️Canada: IHME estimates that 80% mask use would halve daily deaths within a month, saving 20 lives every day ➡️Summary of peer-reviewed evidence at MaskEvidence.org #WearAMask #COVIDIsAirborne #CovidIsNotOver
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    52K
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    Catherine Clase
    @CMClase
    Dec 27, 2022
    New name: MaskEvidence.org We curate info on all kinds of masks and the effects of mask wearing Here is our a new downloadable infographic/poster thanks to the amazing Shiblul Hasan maskevidence.org/mask-types #WearAMask #CovidIsNotOver
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    maskevidence.org
    Mask Evidence
    45K
  • user avatar
    Catherine Clase
    @CMClase
    Apr 15, 2023
    Replying to @CMClase
    “…for an extended period, and develops COVID-19 during that period, the individual may have little difficulty showing that it is probable that the infection was acquired during hospitalization and would not have occurred if the hospital had taken reasonable precautions.” 2/2
    4.6K
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    Catherine Clase
    @CMClase
    Nov 3, 2023
    We have a new FAQs index on our MaskEvidence.org website. We curate an evidence-based repository of peer-reviewed information on masks and respirators Please like and share! #WearAMask #WearTheBestMaskAvailable #CovidIsAirborne maskevidence.org/faq
    People of diverse ethnic origins in the community are shown, in close proximity, wearing a diverse selection of mask types. The image is a stylized drawing, colourful and cheerful, with reds, yellows and blues predominating
    24K
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    Catherine Clase
    @CMClase
    Jan 27, 2023
    ➡️Mask mandates in schools reduce student and teacher absences tinyurl.com/ps3jpk6a ➡️4% of children with COVID will get long covid tinyurl.com/mryp6zvh ➡️Template - downloadable - summarizing arguments at: maskevidence.org/masks-in-schoo… @myrabatchelder @nilikm #WeNotMe
    12K
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    Catherine Clase
    @CMClase
    May 24, 2024
    Faculty sleeping over tonight at the @McMasterU student encampment. Disclose Divest Boycott institutions #Gaza #Ceasefire
    The encampment in front of University Hall McMaster, at night
    5.5K
  • user avatar
    Catherine Clase
    @CMClase
    Apr 15, 2023
    Replying to @CMClase
    People interested in this tweet may have seen this but ICYMI here is our curated information on how well masks of different types block aerosols when worn: #N95 #COVIDisAirborne #CovidIsNotOver #WearAMask
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    maskevidence.org
    Mask Hierarchy — Mask Evidence
    8.1K
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    Catherine Clase
    @CMClase
    Mar 10, 2022
    On @AM900CHML w Scott Thompson I argued that dropping mask mandates is unkind. I explained about vulnerable people - older, immunosuppressed, on dialysis - how they may not be able to participate in society unless we all wear masks in public. #Masks #CovidIsNotOver #COVID19 1/n
  • user avatar
    Catherine Clase
    @CMClase
    Jul 11, 2024
    Replying to @CovidCaution
    You might like maskevidence.org where we curate plain language summaries of peer-reviewed evidence about mask efficiency and effectiveness. I post on major updates.
    maskevidence.org
    Mask Evidence
    1.1K
  • user avatar
    Catherine Clase
    @CMClase
    Jun 16, 2024
    To respond to the threat of avian influenza, look back at lessons learned from COVID “Masks are a critical resource that must be depoliticized. In the absence of a widely available vaccine, masking will mitigate spread of a pandemic influenza virus strain”
    nature.com
    To respond to the threat of avian influenza, look back at lessons learned from COVID-19
    Nature Medicine - Tackling an avian influenza virus strain with pandemic potential should be straightforward — if lessons from the COVID-19 pandemic are heeded.
    5.4K
  • user avatar
    Catherine Clase
    @CMClase
    Sep 18, 2021
    We're hiring. Looking for an academic nephrologist to join our group of 19 at McMaster. Hamilton #hamont in top 3 best places to be a woman in Canada. Great place to raise children. Close to Toronto, Stratford, Waterloo-Kitchener-Guelph, wine country and camping. DM me...
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    Catherine Clase
    @CMClase
    Feb 3, 2023
    ➡️#Paxlovid eligibility ⬆️in #Ontario ➡️Everyone >60y ➡️>18y with a high-risk condition or immunocompromised ➡️>18y with <2 vaccine doses ➡️>18y with >6m since last vaccine or last Covid infection 1/n ontario.ca/page/covid-19-…
    10K

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