Demographic characteristics (2010) and surveillance system of countries in Southeast Asia.

aData is an estimation for year 2010, except for Bhutan which corresponds to year 2005.bAverage for 2005–2010, except for East Timor, Philippines, and Thailand which are the average (2000–2009).cP: Passive surveillance; St: Sentinel surveillance; A: Active surveillance.dQuality classification: + exists; ++ good; +++ best [6], [24].eS: serology; V: virology.fOP: outpatient; IP: inpatient.gAge category (in years) with peak incidence rate.†IMF estimate for 2010.*Gubler reports that both Singapore and Malaysia have active, laboratory based surveillance systems, although Malaysia is mostly passive and has reduced predictive capacity [24]. Both are considered passive systems by Beatty et al. [26].n.a. denotes data not data not available.Sources: [24], [26], [31], [36], [38], [45], [46], [54]–[60].