FORUM: Making Your Facemask Fit Perfectly

People who’ve operated a vehicle powered by an internal combustion engine are probably at least somewhat familiar with an air filter, if for no other reason than it is periodically replaced in standard maintenance. Air filters are also essential components in heating and cooling, electronic, and mass transportation systems, to name a few. Clean particle-free … Continue reading FORUM: Making Your Facemask Fit Perfectly

FORUM: Pandemic Updates

Linked news articles cover ontogenesis of Pandemic microbes, prevention and mitigation efforts, and substantive repercussions. Some of the linked articles cite topically-relevant scientific publications. Posts are ordered from most (top) to least (bottom) current. (5/20/2021): Newly discovered coronavirus originating in dogs found in patients hospitalized with pneumonia in Malaysia: https://thehill.com/changing-america/well-being/554573-new-coronavirus-discovered-and-dogs-are-spreading-it (5/20/2021): India reporting new cases … Continue reading FORUM: Pandemic Updates

FORUM: Initial Findings of the Oxford-AstraZeneca COVID-19 Vaccine Efficacy Trial Are Confounded

The initial report on concurrent Phase-3 clinical trials assessing safety and efficacy of Oxford-AstraZeneca (Ox-AZ) COVID-19 vaccine is a superb example of Simpson’s Paradox—arguably the greatest threat to validity of statistical analysis in empirical science. I discuss the confounded Ox-AZ analysis in the context of the prevention of paradoxical findings. The Insidious Problem of Simpson’s … Continue reading FORUM: Initial Findings of the Oxford-AstraZeneca COVID-19 Vaccine Efficacy Trial Are Confounded