AFP	Acute Flaccid Paralysis
bOPV	bivalent live attenuated Oral Polio Vaccines
CNY	Chinese Yuan
DALY	Disability-adjusted Life Years
EPI	Expanded Programme on Immunization
ICER	Incremental Cost-Effectiveness Ratio
IPV	Inactivated Polio Vaccines
LY	Life Year
NMB	Net Monetary Benefit
OPV	Live Attenuated Oral Polio Vaccines
PV	Poliovirus
SCDC	Shanghai Municipal Center for Disease Control and Prevention
sIPV	Sabin Strain Inactivated Poliovirus Vaccine
tOPV	trivalent Live Attenuated Oral Polio Vaccines
VAPP	Vaccine-associated Paralytic Poliomyelitis
VDPV	Vaccine-derived Poliovirus
WHO	World Health Organization
wIPV	wild-type Inactivated Polio Vaccines
WPV	Wild Poliovirus
WTP	Willingness to Pay