😷👎The Cochrane Review poured over 78 mask studies and concluded there was little to no evidence that facemasks provide any efficacy against viral transmission.
🧵 w/links
🧵 w/links
The confidence intervals on a range of endpoints and measures show "a relative paucity given the importance of the question of masking and its relative effectiveness."
tr;dr -> no evidence that masks work.
(links follow)
tr;dr -> no evidence that masks work.
(links follow)
Cowling 2008: journals.plos.org/plosone/articl…
MacIntyre 2009: wwwnc.cdc.gov/eid/article/15…
Loeb 2009: jamanetwork.com/journals/jama/…
Canini 2010: pubmed.ncbi.nlm.nih.gov/21103330/
MacIntyre 2011: wwwnc.cdc.gov/eid/article/15…
Aiello 2012: pubmed.ncbi.nlm.nih.gov/22295066/
Suess 2012: bmcinfectdis.biomedcentral.com/articles/10.11…
MacIntyre 2009: wwwnc.cdc.gov/eid/article/15…
Loeb 2009: jamanetwork.com/journals/jama/…
Canini 2010: pubmed.ncbi.nlm.nih.gov/21103330/
MacIntyre 2011: wwwnc.cdc.gov/eid/article/15…
Aiello 2012: pubmed.ncbi.nlm.nih.gov/22295066/
Suess 2012: bmcinfectdis.biomedcentral.com/articles/10.11…
MacIntyre 2013: atsjournals.org/doi/10.1164/rc…
Barasheed 2014: pubmed.ncbi.nlm.nih.gov/25336079/
MacIntyre 2016: bmjopen.bmj.com/content/6/12/e…
Radonovich 2019: pubmed.ncbi.nlm.nih.gov/31479137/
Alfelali 2020: journals.plos.org/plosone/articl…
Bundgaard 2021: acpjournals.org/doi/10.7326/M2…
Abaluck, 2022: science.org/doi/10.1126/sc…
Barasheed 2014: pubmed.ncbi.nlm.nih.gov/25336079/
MacIntyre 2016: bmjopen.bmj.com/content/6/12/e…
Radonovich 2019: pubmed.ncbi.nlm.nih.gov/31479137/
Alfelali 2020: journals.plos.org/plosone/articl…
Bundgaard 2021: acpjournals.org/doi/10.7326/M2…
Abaluck, 2022: science.org/doi/10.1126/sc…
And of course the big study itself: cochranelibrary.com/cdsr/doi/10.10…
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