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Operationally, a dengue cluster indicates
a locality with active transmission where intervention is targeted.
It is formed when two or more cases have onset within 14 days and are
located within 150m of each other (based on residential and workplace addresses
as well as movement history). The clusters are categorised according to
their current status. A list
of preventive actions also accompanies each alert level. There are 3 alert
area with 10 or more cases
area with less than 10 cases
new cases, under surveillance for the next 21 days
Each cluster map illustrates the extent of
NEA's current vector control intervention. Please
click on the cluster location to view the respective map.