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Public health logoThe results of laboratory testing confirm a local individual considered at risk for measles does not have the virus. The individual in question attended Wiarton Hospital Emergency Department on Wednesday, May 16. Laboratory tests for measles were ordered by the attending physician. Results confirm no measles present.

Within 24 hours of reporting a suspect case of measles, public health is required to identify all contacts and classify them as susceptible or non-susceptible and complete contact identification and tracing. Tracing involves following up with all contacts who shared the same air space for any length of time during the period of communicability, including two hours after the case left the air space, and determining their immunization status in order to prevent the spread of the virus.

Public Health staff worked throughout the long weekend to notify all individuals who may have been in contact with the suspect case. Plans were made to prepare for additional measles vaccine and post exposure prophylaxis if required to prevent further spread. In addition, in collaboration with the local hospital and the provincial public health lab, lab testing was expedited and negative results were shared with affected individuals.

CDC Measles Contagious GraphicMeasles is one of the most highly communicable infectious diseases that spreads easily to those who are susceptible, including anyone who has not had two doses of a measles vaccine (MMR or MMRV), has not had past infection, or no laboratory evidence of immunity. Children under one year of age, pregnant women and those with weakened immune systems can become very ill with measles.

Fortunately, Grey Bruce has high immunization rates. Based on 2017 school immunization records, 96.8 per cent of 12-year-olds and 97.7 per cent over 17 year-olds were up to date for immunization coverage. Those born before 1970 are generally considered protected against measles, but there are circumstances where this may not be the case. If people are unsure of their immunization status, they are encouraged to check with their health care provider.

“Although the last measles case in Grey Bruce was in 1996, there is measles activity in Ontario. In fact, measles is circulating in many countries and I encourage anyone who is travelling to ensure they are protected against measles before they go.” said Denna Leach, Manager of Infectious Diseases program at the Grey Bruce Health Unit.

As of May 4, 2019, the latest reporting date, Health Canada reports there have been 48 confirmed cases of measles in Canada.

Getting vaccinated is the best way to protect against the measles virus.

source: media release, GBHU

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