Table 2.
Summary of enterovirus isolation for samples collected through Haïti poliovirus environmental surveillance during March 2016–December 2019 and considerations for retaining or terminating sampling sites. Port au Prince: BNF = Bois de Neuf, BDC = Bois de Chêne, MAC = Morne à Cabri, RRD = Route Rails Diquini, CAC = Cite au Cayes, CAR = Carrefour. Gonaïves: KHF = Key Soleil Health Facility, KSB = Key Soleil Bridge, ATP = Autorité Portuaire, ALL = Avenue Leon Legros, BRA = Boulevard de l’Avenir, KHS = Key Soleil School. Saint Marc: AMA = Avenue Maurepas, HUC = Impasse Hucar, and PET = Rue Petion. Cap Haïtien: CRC = Ruelle Caporis, RPA = Ruelle Patience, GRC = Grand Rue Champin, IMP = Impasse Petion, RNB = Route National Bridge, and CMB = Rivière Commerce Bridge. SL = Sabin-like poliovirus.
| City | Site Code | Total Sampling Events (% enterovirus Isolation) Mar 2017–Dec 2019 |
Total Sampling Events (% enterovirus Isolation) Mar 2016– Feb 2017 [17] |
Estimated Watershed Population | Additional Considerations | Status |
|---|---|---|---|---|---|---|
| Port au Prince | BNF | 34 (94) | 12 (100) | 347,237 † | Periodic SL poliovirus isolation; represents a watershed of northern Port au Prince | Retained |
| BDC | 34 (94) | 12 (92) | 339,624 † | Periodic SL poliovirus isolation; represents a watershed between BNF and RRD | Retained | |
| MAC | 1 (100) | 12 (75) | Unknown ‡ | High levels of particulate matter in samples; population represented was unknown | Terminated | |
| RRD | 33 (91) | N/A | 67,321 | Periodic SL poliovirus isolation; represents a watershed of southern Port au Prince | Retained | |
| CAC | 4 (100) | N/A | 139,987 | Upstream from BNF; smaller watershed population than BNF | Terminated | |
| CAR | 4 (50) | N/A | 9361 | Very small estimated watershed population | Terminated | |
| Gonaïves | KHF | 16 (50) | 12 (58) | 20,749 † | § | Terminated |
| KSB | 5 (0) | 12 (25) | 82,123 † | § | Terminated | |
| ATP | 1 (0) | 12 (0) | Unknown ‡ | § | Terminated | |
| ALL | 4 (50) | N/A | 10,034 | Upstream from BRA; smaller watershed population than BRA | Terminated | |
| BRA | 31 (84) | N/A | 20,241 | Periodic SL poliovirus isolation; downstream from ALL; larger watershed population than ALL | Retained | |
| KHS | 4 (0) | N/A | 17,878 | § | Terminated | |
| Saint Marc | AMA | 19 (90) | N/A | 50,744 | Periodic SL poliovirus isolation; represents a watershed of southern Saint Marc | Retained |
| HUC | 16 (50) | N/A | 5655 | Canal was periodically dry | Terminated | |
| PET | 6 (67) | N/A | 49,372 | Wide canal with large volume of water; represents a watershed between AMA and HUC | Retained | |
| Cap Haïtien | CRC | 21 (81) | N/A | 8810 | Periodic SL poliovirus isolation, represents a watershed of western Cap Haïtien | Retained |
| RPA | 21 (67) | N/A | 22,468 | Periodic SL poliovirus isolation, represents a watershed of eastern Cap Haïtien | Retained | |
| GRC | 3 (100) | N/A | 5455 | Very small estimated watershed population | Terminated | |
| IMP | 5 (100) | N/A | 9626 | Represents a watershed of western Cap Haïtien | Retained | |
| RNB | 5 (20) | N/A | 225,762 | Possible influence of high salinity due to proximity to sea | Terminated | |
| CMB | 5 (80) | N/A | 21,580 | Represents a watershed of eastern Cap Haïtien | Retained |