Subject
Adult; Female; Male; Aged; Child; Infant; Caregivers; Parents; Nurse Practitioners; Human; Chi Square Test; Funding Source; Middle Age; Fisher's Exact Test; Adolescence; Pearson's Correlation Coefficient; Preschool; McNemar's Test; Pediatricians; Wilcoxon Rank Sum Test; Influenza – Prevention and Control – In Infancy and Childhood; Influenza – Risk Factors; Influenza Vaccine – Administration and Dosage