Colleen Huber, NMD
Colleen Huber, NMD
Boris Borovoy, Colleen Huber, Maria Crisler
August 19, 2008
November 18, 2020
The long awaited Danish study.
October 29, 2020
In a recent report in Emerging Infectious Diseases, the U.S. Centers for Disease Control and Prevention (CDC) suggests what experts have stated all along: There is no conclusive evidence that cloth masks protects users from coronavirus, especially since most people do not use them correctly and do not keep them clean.
October 18, 2016
John Hardie, BDS, MSc, PhD, FRCDC
A plethora of mask information, links, vids.
“How can a person be forced by any business or government entity to wear a mask (which affects the respiratory system) without having a physical exam by a licensed doctor who approves such an action?” ~ Peggy Hall
C Raina MacIntyre1, Holly Seale1, Tham Chi Dung2, Nguyen Tran Hien2, Phan Thi Nga2, Abrar Ahmad Chughtai1, Bayzidur Rahman1, Dominic E Dwyer3, Quanyi Wang4
Objective The aim of this study was to compare the efficacy of cloth masks to medical masks in hospital healthcare workers (HCWs). The null hypothesis is that there is no difference between medical masks and cloth masks.
Setting 14 secondary-level/tertiary-level hospitals in Hanoi, Vietnam.
Participants 1607 hospital HCWs aged ≥18 years working full-time in selected high-risk wards.
Intervention Hospital wards were randomised to: medical masks, cloth masks or a control group (usual practice, which included mask wearing). Participants used the mask on every shift for 4 consecutive weeks.
Tom Jefferson, Mark Jones, Lubna A Al Ansari, Ghada Bawazeer, Elaine Beller, Justin Clark, John Conly, Chris Del Mar, Elisabeth Dooley, Eliana Ferroni, Paul Glasziou, Tammy Hoffman, Sarah Thorning, Mieke Van Driel
This rapid expert consultation responds to a request from the Office of Science and Technology Policy (OSTP) concerning the effectiveness of homemade fabric masks worn by the general public to protect others, as distinct from protecting the wearer. The request stems from an interest in reducing transmission within the community by individuals who are infected, potentially contagious, but symptomatic or presymptomatic.
Volume 26, Number 5—May 2020 Policy Review
Page down to the "Face Masks" paragraph.
"Disposable medical masks (also known as surgical masks) are loose-fitting devices that were designed to be worn by medical personnel to protect accidental contamination of patient wounds, and to protect the wearer against splashes or sprays of bodily fluids (36). There is limited evidence for their effectiveness in preventing influenza virus transmission either when worn by the infected person for source control or when worn by uninfected persons to reduce exposure. Our systematic review found no significant effect of face masks on transmission of laboratory-confirmed influenza."
Updated: October 25, 2020; Published: July 30, 2020.
An overview of the current evidence regarding the effectiveness of face masks.