ABCDEF	Advice, Burden, Conspiracy, Dangers, Efficiency, and Fear
aOR	Adjusted odds ratio
CI	Confidence interval
COVID-19	Coronavirus disease 2019
EFA	Exploratory factor analysis
ERD	Vaccine-enhanced respiratory disease
F	RSV fusion glycoprotein
FDA	The United States Food and Drug Administration
HBM	Health Belief Model
IQR	Interquartile range
JOD	Jordanian dinar
KMO	Kaiser-Meyer-Olkin measure
K-S	Kolmogorov-Smirnov test
K-W	Kruskal-Wallis test
LMICs	Low- and middle-income countries
LRTI	Lower respiratory tract infection
M-W	Mann-Whitney U test
PCA	Principal component analysis
RSV	Respiratory syncytial virus
SD	Standard deviation