Table 3.
Malaria indicators on the island of Príncipe 2003-2009
| Yeas | Population estimated | Positive cases by passive detection | Incidence (%) | Positive cases by mass screening | Prevalence (%) | Prevalence of malaria species** | Malaria mortality |
|---|---|---|---|---|---|---|---|
| 2003 | 6157 | 2537 | 41.2 | ND | ND | ND | 7 |
| 2004 | 6255 | 1565 | 25.0 | ND | ND | ND | 10 |
| 2005 | 6355 | 983 | 15.5 | ND | ND | ND | 0 |
| 2006 | 6456 | 167 | 2.6 | 57 | 1.1 | Pf: 53/Non-Pf: 4 | 0 |
| 2007 | 6558 | 116 | 1.8 | 37 | 0.7 | Pf: 30/Non-Pf: 7 | 0 |
| 2008 | 6663 | 31 | 0.5 | ND | ND | ND | 0 |
| 2009* | 6770 | 51 | 0.7 | 52 | 0.9 | Pf: 30/Non-Pf: 22 | 0 |
*The 2009 incidence is reported for 11 months of the year for which data is available.
The population are projected from the 2001 census using 1.59% annual growth rate.
ND: not determined.
**Pf: infection with Plasmodium falciparum; Non-Pf: infection with any other three species of malaria (P. vivax, P. ovale, and P. malariae).