Table 3.

Key recommendations for retrospective measles CFR studies in countries without vital registration

Survey	Recommendation
Timing of survey	Toward end of epidemic or very shortly thereafter
Recall period	3-12 months with start and end coinciding with major local festival or event
Household	Household enumeration should be conducted using past census. Female head of household should be interviewed
Laboratory confirmation	Laboratory confirmation of circulating measles in the community under study
Case Ascertainment	Clinical algorithm and local term
Sampling	Exhaustive house-to house survey in selected communities with reported cases
Survey teams	Training on measles, survey methods, case ascertainment with supervisors responsible for no more than 2 to3 teams