TABLE 6.

Conditions required and guideline values for effective implementation of case containment activities at each level of intensity^a

Required condition or guideline	Maximum value for level of intensity:
	Intensified case management	Case containment
Conditions
Population/VHWb	500	500
No. of VHWs/supervisor	20 (preferably 10)	4
No. of villages of endemicity/district	30	10
No. of cases/village/mo (peak month; village of highest     endemicity)	30	12
No. of cases/village/yr (village of highest endemicity)	100	35
Guidelines or standards
Time for detection of case	24 h	24 h
Time for report of case to supervisor	30 days	7 days
Case confirmation	Sample of cases	All cases, by VHW's supervisor
Frequency (or maximum response time) of visits by supervisor     to villages of endemicity	30 days	7 days
Frequency of district coordinator visits to each:
Supervisor	30 days	30 days
Village of endemicity	180 days	60 days

^aAdapted from reference 8.

^bVHW, village health worker.