Disinfecting-A Deeper Dive. You May Be Doing It Wrong. You can look at this pandemic as a knowledge that you can benefit from… Health Canada issued the emerging pathogen guideline back in 2014 based on a pandemic such as Covid-19 as a guideline because we do NOT know what type of virus it is against Covid-19 for hard surfaces and environmental spaces. Just because you purchase a Disinfectant with a DIN that is listed on the Health Canada site does not mean you are disinfecting in any way. Listen to this podcast, to get a better understanding.