This COVID19 pandemic has taught all of us the importance of cleaning and disinfection. However, have we learned enough about dwell time and how it would affect the effectiveness of…
In December 2020, a new variant of the coronavirus that causes COVID19 was widely discovered in UK. Since then, other variants have been identitied. Questions about the characteristics of these…
As Canada is experiencing its first winter of the COVID19 pandemic, people are worried about how the cold weather will affect the spread of the coronavirus. Experts say winter weather…