Plasmodium spp. | Travel < 1 mo | Travel > 1 mo | No travel | Total |
|---|
Pf | 29a | 0 | 18 | 47 |
Pf–Pv | 16b | 1 | 1 | 18c |
Pv | 10 | 48 | 158 | 216 |
PCR-negative | 108 | 121 | 1148 | 1377c |
Total | 163 | 170 | 1325 | 1658 |
- Patients were classified as those with PCR-confirmed P. falciparum monoinfection (Pf), those with PCR-confirmed P. falciparum–P. vivax mixed infection (Pf–Pv), P. vivax monoinfection (Pv), and PCR-negative. Data are expressed as the number of patients with or without travel history outside Nouakchott. Travel history was classified as “no travel” for patients who had never travelled outside Nouakchott, “travel < 1 mo” for patients who had travelled outside Nouakchott any time within one month before consultation, and “travel > 1 mo” for patients who had travelled outside Nouakchott, including foreign countries, more than one month before consultation
- aRegions where the patients travelled to include Hodh Echarghi (n = 14), Hodh Elgharbi (n = 7), Brakna (n = 2), Assaba (n = 2), Trarza (n = 1), and Nouadhibou (n = 1). One patient travelled to Côte d’Ivoire; another travelled to Mali
- bRegions visited by these patients before consultation include: Hodh Echarghi (n = 5), Hodh Elgharbi (n = 2), Trarza (n = 4), Nouadhibou (n = 2), Guidimagha (n = 1), Gorgol (n = 1), and Tagant (n = 1)
- cInformation on travel history was missing in 10 of 28 patients with P. falciparum-P. vivax mixed infections and in 92 of 1469 PCR-negative individuals
