The recent decline in measles cases in Manitoba following the latest wave of infections is a positive development. However, health experts caution that the province is still far from achieving herd immunity against the virus, which means that cases may resurge in the future.
Dr. Davinder Singh, the medical officer of health for Manitoba’s immunization program, emphasized the importance of better vaccine uptake to prevent future outbreaks. In July, the province reported only two confirmed cases of measles, marking the lowest number since March 2025.
During a 3½ week period in July, Manitoba Public Health did not detect any new infections, the longest such period since the winter of 2024-25. This decline in cases indicates progress, although ongoing transmission remains a concern.
Following a peak of 177 confirmed cases in February, measles infections have steadily decreased, with 49 cases in May and eight in June. While there may be a potential increase in cases during the fall, it is expected to be significantly lower than previous peaks, according to Dr. Singh.
Brandon Mayor Jeff Fawcett noted the shift in public concern, with measles no longer dominating discussions as it did during the peak of the outbreak. This change reflects a return to normalcy compared to the heightened awareness during the outbreak period.
Dr. Philippe Lagacé-Wiens, a medical microbiologist at St. Boniface Hospital, highlighted that although the current wave of measles infections is waning, the seasonal nature of the virus suggests the possibility of another increase in cases in the future.
To achieve herd immunity and effectively control measles, at least 95% of the population in Manitoba must be immune to the virus. However, current vaccination rates fall short of this target, with only around 81% of children receiving their first measles dose by age two in 2024.
While efforts to combat measles through expanded vaccination eligibility and public awareness campaigns have been implemented, maintaining high immunization rates remains crucial to prevent future outbreaks. Health officials stress the importance of community immunity to safeguard against the resurgence of measles infections.