The city of Petrópolis in Brazil is conducting its Day D campaign against dengue on Saturday, with efforts spread across 26 health units in the municipality. This initiative includes house visits by agents of the Endemic Disease Combat team in areas most affected by the dengue outbreaks. This campaign marks the first major effort of 2026 to address the health threat posed by the Aedes aegypti mosquito, the vector for dengue, zika, and chikungunya.

In addition to house visits, the local government will distribute flyers and provide guidance at various commercial establishments, parks, and bus terminals in key areas including the city center, Bingen, and Itamarati. The city's Civil Defense will activate sirens that will broadcast messages to alert residents about the importance of eliminating mosquito breeding sites. Furthermore, the Municipal Development Company of Petrópolis plans to circulate a sound vehicle throughout the center and districts to reinforce the campaign's message and encourage community involvement in health safety measures.

This kind of proactive public health initiative is vital for urban areas facing increased incidences of mosquito-borne diseases. The campaign not only aims to reduce the immediate risks of dengue but also seeks to bolster community awareness regarding preventive measures. Local authorities are emphasizing the responsibility of residents in maintaining clean environments as a critical element in controlling the spread of dengue and other related diseases.