Category: Face masks

I have a passport that identifies my citizenship and permits me to enter countries around the world. It has been sitting quietly in my drawer gathering cobwebs as I watch countries open and shut their borders according to the latest knee jerk quasi-public health prompt.  “Covid” and “passport” should not be used together Passports and […]

Now that masks have become common, they also have become big business.  They can be found in a great variety of shapes, patterns and materials, but all masks aren’t created equal. Many factors, including the composition and thickness of the material, and the density of the filter fibres, determine their effectiveness. Non-natural fibres work better to […]

Absolute risk is the likelihood an event will occur. Relative risk is the likelihood an event will occur in one group compared to another. In CoVID-19 terms, the absolute risk of dying from the disease is low. However, if we look at very old residents of care facilities who have multiple health problems compared with […]

CoVID is no longer just a health concern. As clinicians we now understand the disease a little better, are comforted that most cases are mild and self-limiting, and relieved that the intensive care resources are becoming equipped to manage the increase in patient numbers. Even the danger to health care workers of too much exposure […]

In times of overwhelming disaster and limited resources, ingenuity and repurposing can save lives.  For example, the use of stapling wounds on the suture-poor battle fields more than a century ago was game changer. It worked because the purpose of a suture and a staple were similar – to hold two opposing surfaces together. Wrap […]

Doctors, nurses, and other health care professionals have a long history of wearing face masks in clinical environments, but I’ve never seen a person in scrubs walking down the street in a face mask.  That look is generally reserved to  tourists, particularly from Japan and China, who wear masks as they see the sights. Surgical […]