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On 12/07/2025, a confirmed case of Dengue in a 64-year-old man residing in a rural area of Budrio was reported to the Department of Public Health of the AUSL of Bologna. The investigations activated immediately revealed that the person had begun to show symptoms of the disease on July 7. The person, who did not report travel abroad or other regions or recent high-risk contacts, initially turned to his general practitioner and then to the CAU, and then went to the Emergency Room of the Sant'Orsola Hospital on 12 July. Considering these elements, the case was classified as autochthonous.
Following the report, an inspection was carried out in the area surrounding the patient's home on 13 July. All people residing in housing units within a radius of 300 meters were interviewed, with no evidence of symptoms compatible with Dengue or recent travel to risk areas.
At the same time, an entomological investigation was conducted with the support of an entomologist appointed by the Municipality. No significant infestations of Aedes albopictus (tiger mosquito) emerged with the exception of the index case property, where active larval outbreaks were identified. To contain the risk of transmission, a targeted disinfestation intervention was immediately launched, with adulticide and larvicide treatments extended to the area of 300 meters around the house, to be repeated in the following days.
Screenings were carried out for family members and neighbors of the case, all of which were negative.
On 15/07/2025, an additional case of illness was reported in a 67-year-old man residing in a city area, confirmed by laboratory diagnosis. The second case had shown symptoms on the same date and had no history of traveling abroad. Following this report, on 16/07/2025, larvicide and adulticide treatments were started in the streets and houses within a radius of 200 meters from the residence of this second case. Adulticide treatments will continue for a total of three consecutive days.
Following the report, an inspection was carried out in the area surrounding the patient's home on 13 July. All people residing in housing units within a radius of 300 meters were interviewed, with no evidence of symptoms compatible with Dengue or recent travel to risk areas.
At the same time, an entomological investigation was conducted with the support of an entomologist appointed by the Municipality. No significant infestations of Aedes albopictus (tiger mosquito) emerged with the exception of the index case property, where active larval outbreaks were identified. To contain the risk of transmission, a targeted disinfestation intervention was immediately launched, with adulticide and larvicide treatments extended to the area of 300 meters around the house, to be repeated in the following days.
Screenings were carried out for family members and neighbors of the case, all of which were negative.
On 15/07/2025, an additional case of illness was reported in a 67-year-old man residing in a city area, confirmed by laboratory diagnosis. The second case had shown symptoms on the same date and had no history of traveling abroad. Following this report, on 16/07/2025, larvicide and adulticide treatments were started in the streets and houses within a radius of 200 meters from the residence of this second case. Adulticide treatments will continue for a total of three consecutive days.