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Keyword
Active surveillance
1
Case based surveillance
1
Catch up campaign
1
Electronic surveillance
1
Follow up campaign
1
Immunity
1
Infants
1
MMR
1
Measles
2
Mumps
[remove]
2
Passive surveillance
1
Routine immunization coverage
1
Rubella
2
Sentinel
1
Southeast Asia
1
Supplementary immunization activities
1
Vaccines
1
Zambia
1