Key Points

• Resurgence of measles since November 2017, with an epidemic peak in Week 13

• As of April 29, 2018, 2,071 cases reported since November 6, 2017 (+124 cases since the last epidemiological bulletin, Week 16)

• More than 1,999 cases (97%) reported since January 1, 2018

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

• 49% of cases (n=1,016) were reported in the Nouvelle-Aquitaine region, the only region experiencing an epidemic

• Highest incidence among children under 1 year of age: 20.5 cases per 100,000 inhabitants

• 21% of reported cases were hospitalized

• 88% of measles cases occurred in unvaccinated or inadequately vaccinated individuals