Survey date | Number of clusters | Number of people | Number of households | Number (%) households with larvae or pupae | Number of containers | Number (%) containers with larvae or pupae | Number pupae observed |
---|---|---|---|---|---|---|---|
Oct 2005 | 20 | 15,619 | 2636 | 864 (33) | 16,744 | 1441 (9) | 4962 |
Oct 2006 | 20 | 15,561 | 2636 | 601 (23) | 17,429 | 925 (5) | 3306 |
Oct 2007 | 20 | 20,514 | 3556 | 818 (23) | 15,337 | 1439 (9) | 6014 |
Jan 2011 | 30 | 20,971 | 4031 | 750 (19) | 18,276 | 911 (5) | 2156 |
Aug 2012 | 30 | 21,666 | 4200 | 1499 (36) | 16,732 | 2730 (16) | 7576 |
Jan 2013 | 30 | 21,136 | 4064 | 897 (22) | 15,741 | 1302 (8) | 3095 |