AFRO	African Regional Office (WHO)
CDC	Centers for Disease Control and Prevention
CFR	Case Fatality Rate
CRS	Congenital Rubella Syndrome
DSID	Distinct Sequence Identifier (used in MeaNS)
DRC	Democratic Republic of the Congo
ECDC	European Centre for Disease Prevention and Control
EMRO	Eastern Mediterranean Regional Office (WHO)
EPI	Expanded Programme on Immunization
EPI-link	Epidemiologically Linked
LMICs	Low- and Middle-Income countries
MeaNS	Measles Nucleotide Surveillance (WHO online database)
MR	Measles and Rubella
PAHO	Pan American Health Organization
RCC	Regional Certification Commission (for Measles/Rubella Elimination)
SIA	Supplementary Immunization Activity
WHO	World Health Organization