Key points

Measles

• Four indigenous cases identified in 2025, the last in S40, amid insufficient vaccination coverage.

Arboviruses

• Chikungunya is circulating on a very limited scale (a single case in week 39) and has no impact on the healthcare system. The last reported case of locally acquired dengue was confirmed in week 17, and the last imported case was in week 37.

Acute respiratory infections

• Emergency room visits and hospitalizations are down for the second consecutive week; the epidemic may end next week.

Bronchiolitis

• Decline in health and virological indicators.

Gastroenteritis

• Trend is rising, with norovirus and rotavirus being the most prevalent. Likely to reach epidemic levels next week: epidemic thresholds are currently being exceeded.