Table 1 Summary of incubation periods and relapse patterns of P. vivax inoculation experiments across different regions in China
From: The empirical support for the radical cure strategy for eliminating Plasmodium vivax in China
Study location | GX | GZ | HN_KF | HN_ZZ | Hunan | YN_ML | YN_WX | |
|---|---|---|---|---|---|---|---|---|
Climatic zone (latitude) | South temperate zone (24° N) | South temperate zone (26° N) | South temperate zone (34° N) | South temperate zone (34° N) | South temperate zone (26° N) | North tropical zone (21° N) | South temperate zone (28° N) | |
No. participants | 39(32 with episodes) | 20(17 with episodes) | 35 with episodes | 19 with episodes | 30 (27 with episodes) | 39 (37 with episodes) | 8 with episodes | |
Long incubation | No. cases | 7 | 3 | 20 | 0 | 14 | 2 | 3 |
Time to first episode (days) | 238–314 | 298–322 | 268–371 | No cases | 230–357 | 268–284 | 228–335 | |
1st relapse interval (days) | 41, 47, 50, 60, 109 | 46–48 | 42–68 | No cases | 51–80 | 0 | No follow-up | |
Max relapse events | 1 | 1 | 1 | No cases | 1 | 0 | No follow-up | |
Short incubation | No. cases | 25 | 14 | 15 | 19 | 13 | 35 | 5 |
Time to first episode (days) | 14–16 | 11–17 | 11–19 | 11–19 | 15–19 | 10–16 | 13–17 | |
1st relapse interval (days) | 252.5 ± 30.6 | 193–287 | 240–320 | 203–311 | 191–297 | 85%: long-term (228.8 ± 45.6) 15%: short-term (72 ± 20) | No follow-up | |
Max relapse events | 3 | 4 | 5 | 5 | 5 | 5 | No follow-up | |