Key Points

• Resurgence of measles since November 2017.

• Trend in the weekly incidence of reported cases: epidemic peak in week 13 (W13 2018), followed by a rapid decline in weekly numbers through week 38.

• A moderate resurgence in the number of cases has been noted since week 39 (around 15 weekly cases), primarily linked to an outbreak in department 93, where 45 cases have been reported since September 15, 2018.

• As of November 11, 2018, 2,878 cases have been reported since November 6, 2017, including 2,727 in 2018.

• 86 departments reported at least 1 case during the period, but currently only three regions are reporting active outbreaks.

• Highest incidence among children under 1 year of age: 32.5 cases per 100,000 inhabitants.

• 23% of reported cases were hospitalized.

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

• 3 deaths since the beginning of 2018.