Improving the surveillance and response system to achieve and maintain malaria elimination: a retrospective analysis in Jiangsu Province, China

Table 4 Indicators of the ‘1-3-7’ approach in Jiangsu Province, 2012–2020

Year	Case detection and notification			Case investigation		Focus investigation and action
Year	Number of imported malaria cases	Number of cases reported within 1 day	Proportion of cases reported within 1 day (%)	Number of cases investigated within 3 days	Proportion of cases investigated within three days (%)	Number of foci investigations and action taken within seven days	Proportion of foci investigations and action taken within 7 days (%)
2012	198	198	100.0	193	98.9	191	96.5
2013	341	341	100.0	341	100.0	341	100.0
2014	355	355	100.0	355	100.0	355	100.0
2015	405	405	100.0	405	100.0	405	100.0
2016	308	308	100.0	308	100.0	308	100.0
2017	239	239	100.0	231	97.9	223	93.3
2018	243	243	100.0	242	99.6	240	98.7
2019	244	244	100.0	244	100.0	238	97.5
2020	90	90	100.0	90	100.0	81	90.0
Total	2,423	2,423	100.0	2,409	99.4	2,382	98.3

ISSN: 2049-9957