Key Points

• Measles Outbreak Since November 2017

• As of April 22, 2018, 1,947 cases reported since November 6, 2017 (+166 cases since the last weekly bulletin)

• More than 1,875 cases (96%) reported since January 1, 2018

• 78 departments have reported at least 1 case, a number that has risen since the last bulletin

• 51% of cases (n=986) have been reported in the Nouvelle-Aquitaine region, the only region experiencing an epidemic

• Highest incidence among children under 1 year of age: 18.5 cases per 100,000 inhabitants

• 21% of reported cases were hospitalized

• 87% of measles cases occurred in unvaccinated or inadequately vaccinated individuals