Respirator and face covering to protect against coronavirus and poor air quality

Because of poor air quality due to local wildfires we may need to wear N95 respirators. In this 2-minute YouTube video (also below), I show you how to use the 02 Canada respirator to protect yourself against poor air quality, and to protect yourself and others against coronavirus-19 (SARS-Co-V-2).

Concepts for controlling microbial threats to human health

Preamble This is a work in progress. Feedback is welcome, appreciated, and valued. Introduction With the spread of novel coronavirus (COVID-19) many persons not trained in infectious disease transmission dynamics may not completely understand how and why public health officials implement interventions.