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Table 1 Summary of number of tested “vectors” and number of positives of all species combined. Data is divided into individual vectors or pooled (multiple) individuals and subdivided by laboratory test category

From: Scrub typhus ecology: a systematic review of Orientia in vectors and hosts

Laboratory method

Total no. of individuals tested

Total no. of individuals positive (%)

Total no. of pools tested

Total no. of pools positive (%)

Culture +/− microscopy

1286

35 (2.7)

2919

688 (24)

Combination culture and serology

37,603

244 (0.6)a

1928

389 (20)

Combination culture and molecular

229

22 (9.6)

Combination serological and molecular

8019

90 (1.1)

347

195 (56)

Serological

45,439

2260 (5)

1170

123 (11)

Molecular

30,767

588 (1.9)

1343

411 (31)

Unknown

?

9

80

24 (30)

  1. aOne study reported 75% O. tsutsugamushi infection rate in pools made up of 20,700 L. deliense, but the number of pools tested and number positive were not reported [257]
  2. Key: +/−, with or without; ?, unknown
  3. Note: Percentages shown in parentheses were pooled by giving equal weight to all studies