Key Points

• Measles resurgence since November 2017

• Trend in weekly incidence of reported cases: rapid decline since the epidemic peak (Week 13), followed by stabilization around 40 cases per week (Weeks 21–26), then an average of 17 cases between Weeks 27 and 31, and fewer than 10 cases over the past 6 weeks.

• As of September 16, 2018, 2,779 cases have been reported since November 6, 2017, including 2,702 in 2018.

• 86 departments reported at least 1 case during the period, but currently no region is reporting an active outbreak.

• Highest incidence among children under 1 year of age: 30.2 cases per 100,000 inhabitants

• 23% of reported cases were hospitalized

• 89% of measles cases occurred in unvaccinated or incompletely vaccinated individuals

• 3 deaths since the beginning of 2018