Introduction:

The National Aedes aegypti Control Program carries out routine activities to control the transmission of arbovirus infections in the country. However, there still exist residual populations of the vector which require sustainable entomological surveillance.

Objective:

Determine the presence of immature stage Ae. aegypti in the province of Havana in the period 2013-2017.

Methods:

An analysis was conducted of the number of larval breeding sites detected by workers from the National Ae. aegypti Control Program in the province of Havana in the period 2013-2017. Sampling was performed on a monthly basis following the surveying methodology of the Program.

Results:

Analysis of the data on larval breeding sites per month in the 15 municipalities of the province of Havana revealed an increase in their number in the June-October period of every year, and a peak between the months of January and March in the years 2014, 2016 and 2017. Comparison of mean values per year found that incidence of Ae. aegypti was homogeneous, except for the year 2015, when a significant decrease was observed in the number of breeding sites only with respect to the year 2017.

Conclusions:

Despite the effort made by workers from the Program, a significant reduction has not been achieved in the number of Ae. aegypti breeding sites, which is evidence of the need to strengthen the surveillance systems and maintain the sustainability of the actions performed to effectively control the transmission of arbovirus infections in the Havana province.

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