Key Points

Chikungunya

• 9 confirmed indigenous cases of chikungunya in the west, grouped into a cluster of 7 cases. The other 2 cases, geographically close, are not linked to this cluster.

• Two recently detected suspected cases are currently under investigation and have been subject to reactive vector control measures.

Pertussis

• A limited public health impact, primarily affecting infants and young children. However, the bacterium continues to circulate, underscoring the importance of vaccination and management measures.

Acute respiratory infections

• The influenza epidemic is still ongoing, with the virus identified almost exclusively as A(H1N1)pdm09.

• Decrease in bronchiolitis among children under 2 years of age following a 3-week increase.