Overview
- Rosario reports a surge of mosquitoes after recent rain, with species confirmed as culex and charquero rather than Aedes aegypti.
- Provincial health officials say there are no local dengue cases to date, noting a single imported case in San Cristóbal with favorable recovery.
- Northern provinces face a stronger chikungunya wave this year, with Salta logging more than 1,200 cases in a week and authorities expanding surveillance.
- Tucumán outlines door-to-door diagnosis, focal fumigation, junk removal to cut breeding sites, hospital upgrades like climate-controlled wards and backup power, and a dengue vaccination drive using 200,000 doses for multi‑year protection.
- Officials link longer transmission seasons to warmer, wetter conditions and to repeated introductions from Brazil, Bolivia, and Paraguay, noting larvae now develop at lower temperatures.