Table 1.
Number of detected STH cases in Japanese nationals according to data from BML, Inc
| Year | STH total | Trichuris | Hookworm | Ascaris |
|---|---|---|---|---|
| 2000 | 62 (2)ab | 23 (1)a | 20 (1)b | 19 (2)ab |
| 2001 | 76 | 24 | 25 | 27 |
| 2002 | 93 | 29 | 33 | 31 |
| 2003 | 48 | 17 | 9 | 22 |
| 2004 | 41 | 13 | 9 | 19 |
| 2005 | 37 | 9 | 9 | 19 |
| 2006 | 21 | 4 | 0 | 17 |
| 2007 | 19 (1)a | 7 (1)a | 0 | 12 (1)a |
| 2008 | 26 | 10 | 5 | 11 |
| 2009 | 13 | 8 | 2 | 3 |
| 2010 | 16 | 7 | 2 | 7 |
| 2011 | 9 | 7 | 1 | 1 |
| 2012 | 22 | 13 | 2 | 7 |
| 2013 | 5 | 3 | 0 | 2 |
| 2014 | 9 | 6 | 0 | 3 |
| 2015 | 5 | 3 | 1 | 1 |
| 2016 | 4 | 2 | 1 | 1 |
| 2017 | 6 | 6 | 0 | 0 |
| Total | 512 (3)c | 191 (2)c | 119 (1)c | 202 (3)c |
Notes: The numbers in parentheses denote individuals with dual infection. Tween 80 citric acid ether sedimentation was used to detect STH eggs [26]. BML, Inc. is a privately-owned clinical laboratory company based in Tokyo, Japan. The data are courtesy of BML
aTrichuris + Ascaris co-infections
bHookworm + Ascaris co-infections
cTotal number of individuals with co-infections