Table 1.
Surveillance activities in Vanuatu, 1997–2012
| Year | M&E activity | Detail and location by province or evaluation unit (EU) |
|---|---|---|
| 1997–1998 | Mapping survey: baseline A survey | Nationwide, 51 villages |
| 2000 | The first year of MDA | Nationwide |
| 2002 | Sentinel site B surveys | Torba, Sanma, Malampa, Penama, 2 villages each |
| Spot checks | 1 village Malampa, 1 village Penama, 2 hospitals | |
| 2003 | Spot checks | 4 hospitals |
| Morbidity assessment | Nationwide | |
| 2004 | The last year of MDA | Nationwide |
| Spot checks | 15 villages, North Ambrym, Malampa | |
| 2005 To 2006 | Stop MDA survey C survey/TAS 1 (all ages) |
Nationwide in 30 villages per EU EU1 (Torba, Sanma, Malampa); EU2 (Penama); EU3 (Shefa and Tafea) |
| Sentinel sites | Torba, Sanma, Penama (2 villages each). | |
| Spot checks | 6 villages of Penama (EU2) | |
| 2007 | Transmission assessment survey D survey/CTS/TAS 2 |
Community TAS 2 in 6–7 year olds EU1 (Torba, Sanma, Malampa); EU2 (Penama); EU3 (Shefa and Tafea) |
| Morbidity assessment | Malampa and parts of Penama, Sanma, Shefa, Tafea | |
| 2008 | Spot checks | 5 villages of South Pentecost and West Ambae (Penama, EU2) |
| Targeted MDAa and spot checks | Targeted follow-up MDA round 1: 13 villages of North Ambrym, Malampa province (in EU1) Spot checks followed MDA |
|
| 2009 | Targeted MDA | Targeted follow-up MDA round 2: North Ambrym, Malampa province (in EU1) |
| 2010 | Targeted MDA | Targeted follow-up MDA round 3: North Ambrym, Malampa province (in EU1) |
| Transmission assessment survey TAS 3 | Community TAS 3 in EU1 and 2; Children tested in 2 spot-check villages in EU3 |
|
| 2011 | Spot checks and sentinel sites | Vila and Santo Hospitals USP students Sentinel sites EU1, EU2, EU3 (2 villages each—test and treat of former positives only) |
| 2012 | Transmission assessment survey TAS 3 continued |
Community TAS 3 in EU3 |
| TAS 4 | Community TAS 4 in EU2 | |
| Dossier preparation | Preparation of elimination dossier started |
aIn targeted MDA, treatment without prior testing is offered to all inhabitants >2 yrs of age in selected villages thought to have persistent high prevalence, such as villages of North Ambrym identified in 2004. See [4] for details