Reliable Information Sources


Please note that all of WDG Public Health’s COVID-19 resources (excluding images) are available for use and adapting for non-profit purposes, permission is not required. We ask that you include the statement “Adapted from Wellington-Dufferin-Guelph Public Health” on any materials you use or adapt.


Please check these website frequently as they are updated with new information in regards to COVID-19.

Evidence-based Information on Face Coverings

As of 2021, the below list is no longer being updated or maintained.

Below you will find a collection of expert opinions and studies on face coverings. This list is for informational purposes only and is not representative of all articles and studies available on the subject, nor does this list cover all articles and studies that are reviewed by our epidemiologists and our Medical Officer of Health. Research and articles on face coverings and masks are available online for those who are interested to read further.

Expert Opinions

Evidence and Studies on Face Coverings