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Fig. 5 | BMC Infectious Diseases

Fig. 5

From: Epidemic resurgence of dengue fever in Singapore in 2013-2014: A virological and entomological perspective

Fig. 5

Temporal variation of House Index in different types of residential premises in 2013 and 2014. a. Housing Development Board (HDB) apartments, b. Private apartments/condominiums and c. Landed properties. House Index for each residential premise type is defined as the number of houses detected with Aedes mosquito breeding per 100 houses inspected. The analysis is based on the outcome of routine inspections carried out by approximately 800 ground officers from the Environmental Public Health Operations, NEA. Aedes immatures were morphologically identified to the species level at EHI. E-week = epidemiological week

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