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Table 5 Malaria prevalence by Microscopy and PCR post-chemoprevention in WLM

From: Elimination of Plasmodium falciparum in an area of multi-drug resistance

  June 2012 July 2012 August 2012 December 2012
Number (%) of M/S* Number (%) of PCR Number (%) of M/S** Number (%) of PCR Number (%) of M/S Number (%) of PCR Number (%) of M/S*** Number (%) of PCR
P. falciparum 8/560* (1.4 %) 24/346 (6.9 %) 0/409** (0.0 %) 5/270 (1.9 %) 1/263 (0.4 %) 5/178 (2.8 %) 1/425*** (0.2 %) 1/370 (0 %)
 Adult male 4/151 (2.6 %) 8/72 (11.1 %) 0/112 (0.0 %) 1/60 (1.6 %) 1/76 (1.3 %) 3/42 (7.1 %) 1/93 (1.1 %) 0/92 (0.0 %)
 Adult female 1/171 (0.6 %) 8/121 (6.6 %) 0/117 (0.0 %) 0/96 (0.0 %) 0/75 (0.0 %) 1/58 (1.7 %) 0/134 (0.0 %) 0/133 (0.0 %)
 Child 3/238 (1.3 %) 8/153 (5.2 %) 0/180 (0.0 %) 4/114 (3.5 %) 0/112 (0.0 %) 1/78 (1.3 %) 0/198 (0.0 %) 0/145 (0.0 %)
P. vivax 61/560 (10.9 %) 122/346 (35.5 %) 18/409 (4.4 %) 45/270 (16.7 %) 14/263 (5.3 %) 30/178 (16.9 %) 37/425 (8.7 %) 29/370 (7.8 %)
 Adult male 16/151 (10.6 %) 23/72 (31.9 %) 1/112 (0.9 %) 4/60 (6.7 %) 2/76 (2.6 %) 3/42 (7.1 %) 7/93 (7.5 %) 4/92 (4.3 %)
 Adult female 9/171 (5.3 %) 35/121 (28.9 %) 1/117 (0.9 %) 2/96 (2.1 %) 1/75 (1.3 %) 2/58 (3.4 %) 7/134 (5.2 %) 7/133 (5.3 %)
 Child 36/238 (15.1 %) 64/153 (41.8 %) 16/180 (8.9 %) 39/114 (34.1 %) 11/112 (9.8 %) 25/78 (32.0 %) 23/198 (11.6 %) 18/145 (12.4 %)
Indeterminate NA 57/346 (16.5 %) NA 27/270 (10.0 %) NA 27/178 (15.2 %) NA 15/370 (4.1 %)
 Adult male NA 12/72 (16.7 %) NA 7/60 (11.7 %) NA 11/42 (26.2 %) NA 4/92 (4.3 %)
 Adult female NA 23/121 (19.0 %) NA 6/96 (6.3 %) NA 5/58 (8.6 %) NA 0/133 (0.0 %)
 Child NA 22/153 (14.4 %) NA 14/114 (12.3 %) NA 11/78 (14.1 %) NA 6/145 (4.1 %)
Negative 493/560 (88.0 %) 153/346 (44.2 %) 391/409 (95.6 %) 196/270 (72.6 %) 248/263 (94.3 %) 117/178 (65.7 %) 387/425 (91.1 %) 326/370 (88.1 %)
 Adult male 131/151 (86.8 %) 32/72 (44.4 %) 111/112 (99.1 %) 48/60 (80.0 %) 73/76 (96.1 %) 25/42 (59.5 %) 85/93 (91.4 %) 84/92 (91.3 %)
 Adult female 111/171 (94.7 %) 56/121 (46.2 %) 116/117 (99.1 %) 88/96 (91.7 %) 74/75 (98.7 %) 50/58 (86.2 %) 127/134 (94.8 %) 126/133 (94.7 %)
 Child 73/238 (84.0 %) 65/153 (42.5 %) 164/180 (91.1 %) 60/114 (52.6 %) 104/112 (90.2 %) 42/78 (53.8 %) 175/198 (88.4 %) 121/145 (83.4 %)
  1. Mixed infections are counted in both species.
  2. * 2 slides were unreadable.
  3. ** 7 slides were unreadable.
  4. *** 1 slide was unreadable.