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Volume 29, Number 6—June 2023
Research

Similar Prevalence of Plasmodium falciparum and Non–P. falciparum Malaria Infections among Schoolchildren, Tanzania1

Rachel Sendor2, Cedar L. Mitchell2, Frank Chacky, Ally Mohamed, Lwidiko E. Mhamilawa, Fabrizio Molteni, Ssanyu Nyinondi, Bilali Kabula, Humphrey Mkali, Erik J. Reaves, Naomi Serbantez, Chonge Kitojo, Twilumba Makene, Thwai Kyaw, Meredith Muller, Alexis Mwanza, Erin L. Eckert, Jonathan B. Parr, Jessica T. Lin3, Jonathan J. Juliano3Comments to Author , and Billy Ngasala3
Author affiliations: University of North Carolina, Chapel Hill, North Carolina, USA (R. Sendor, C.L. Mitchell, T. Kyaw, M. Muller, A. Mwanza, J.B. Parr, J.T. Lin, J.J. Juliano); National Malaria Control Programme, Dodoma, Tanzania (F. Chacky, A. Mohamed); Muhimbili University of Health and Allied Sciences, Dar es Salaam, Tanzania (L.E. Mhamilawa, T. Makene, B. Ngasala); Swiss Tropical and Public Health Institute, Basel, Switzerland (F. Molteni); RTI International, Dar es Salaam (S. Nyinondi, B. Kabula, H. Mkali); US Centers for Disease Control and Prevention, Dar es Salaam (E.J. Reaves); US Agency for International Development, Dar es Salaam (N. Serbantez, C. Kitojo); RTI International, Washington, DC, USA (E.L. Eckert); Uppsala University, Uppsala, Sweden (B. Ngasala)

Main Article

Table 2

Number of students infected with Plasmodium spp. and school characteristics in study of similar prevalence of Plasmodium falciparum and non–P. falciparum malaria infections among schoolchildren, Tanzania*

School characteristics‡ Plasmodium spp. infections†
 Total, n = 3,456
Pf, n = 755 Po, n = 814 Pm, n = 136 Pv, n = 11
Elevation, m
Median (IQR) 1,182 (506–1,370) 1,225 (1,124–1,427) 1,167 (320–1,370) 1,333 (1,100–1,398) 1,230 (1,058–1,467)
Minimum–maximum 54–1,901 47–2,167 54–1,677 184–1,467 34–2,167
<1,500 707 (26.5) 693 (26.0) 129 (4.8) 11 (0.4) 2,667 (100)
>1,500
 48 (6.1)
 121 (15.3)
 7 (0.9)
 0
 789 (100)
Region‡
Arusha 3 (0.5) 23 (4.2) 0 0 552 (100)
Iringa 1 (0.3) 30 (9.4) 0 0 320 (100)
Kagera 196 (31.7) 273 (44.1) 39 (6.3) 6 (1.0) 619 (100)
Mara 157 (34.7) 102 (22.6) 19 (4.2) 2 (0.4) 452 (100)
Mtwara 146 (47.6) 62 (20.2) 38 (12.4) 1 (0.3) 307 (100)
Rukwa 49 (16.3) 118 (39.2) 6 (2.0) 0 301 (100)
Tabora 122 (29.5) 139 (33.7) 25 (6.1) 0 413 (100)
Tanga 81 (16.5) 67 (13.6) 9 (1.8) 2 (0.4) 492 (100)

*Values are no. (%) students unless otherwise indicated. IQR, interquartile range; Pf, Plasmodium falciparum; Pm, P. malariae; Po, P. ovale spp.; Pv, P. vivax.†Totals and percentages in each species-specific column represent student-level prevalences and include single- and mixed-species infections. ‡Listed regions correspond to mapped regions in Figure 3.

Main Article

1Data from this study were presented as a virtual poster at the American Society of Tropical Medicine and Hygiene conference, November 17–21, 2021.

2These first authors contributed equally to this article.

3These senior authors contributed equally to this article.

Page created: March 13, 2023
Page updated: May 17, 2023
Page reviewed: May 17, 2023
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