Key Points

• Continued increase in emergency room visits and hospitalizations for bronchiolitis

• among children under 2 years of age in mainland France, at very high levels exceeding those of epidemics over the past 10 years.

• In week 47, hospitalizations for bronchiolitis accounted for half of all hospitalizations following an emergency room visit among children under two years of age for the fourth consecutive week.

• The intensity of the outbreak is particularly pronounced throughout mainland France and in Guadeloupe