Arbovirus disease surveillance planning and practice

Performance of national epidemiological surveillance for arboviral diseases in humans (ref Q12, 12b, 12c)

Regional office	Countries conducting surveillancea	Surveillance frequency (N)b	Surveillance type (N)b
AMRO	52 (100%)
EMRO	13 (59%)	Weekly: 3 Ad hoc: 1 Other: 9	Primarily passive: 5 Combination of active and passive: 8
EURO	17 (85%)	Weekly: 2 Monthly: 2 Ad hoc: 7 Other: 5	Primarily active: 2 Primarily passive: 11 Combination of active and passive: 3
SEARO	10 (100%)	Weekly: 2 Other: 6 NA: 2	Primarily passive: 7 Combination of active and passive: 3
WPRO	14 (88%)	Weekly: 6 Ad hoc: 1 Other: 7	Primarily passive: 5 Combination of active and passive: 9
aOnly countries that responded to Q12 are included in the denominator when calculating these percentages.
bQuestions 12b and 12c were not included in the dataset shared with AMRO for completion. Please see the Arbovirus Survey Overview for more information.