College of Dental Hygienists of Ontario
The College of Dental Hygienists of Ontario regulates the practice of dental hygiene in the interest of the overall health and safety of the public of Ontario.

Self-Service-E  FAQ-E

Middle East Respiratory Syndrome (MERS)

Toronto | May 13, 2014

Middle East Respiratory Syndrome (MERS) is viral respiratory illness first reported in Saudi Arabia in 2012. It is caused by a coronaviruscalled MERS-CoV. Most people who have been confirmed to have MERS-CoV infection developed severe acute respiratory illness. They had fever, cough, and shortness of breath. About 30% of these people died.
Dental hygienists should consider the possibility of MERS-CoV infection in persons with respiratory illness that meet the case definitions outlined in the Ministry of Health and Long-Term Care’s Guidance for Health Workers and Health Sector Employers on MERS-CoV.

For the latest updates on the MERS-CoV virus, including the total number of cases and deaths, visit the World Health Organization’s Global Alert and Response website. In addition, the Ministry of Health and Long-Term Care maintains a website with information on MERS-CoV for health workers at

Click on the link below to read the Memo from Arlene King, Chief Medical Officer of Health. 

MOH Memorandum