Vaccination coverage and influencing factors of four non‑National Immunization Program vaccines: A cross‑sectional survey among children aged 1‒6 years in Beijing, China
ABSTRACT The pneumococcal conjugate vaccine (PCV), Haemophilus influenzae type b (Hib) vaccine, rotavirus vaccine (RV), and varicella vaccine (VarV) have been recommended by WHO for inclusion in National Immunization Program (NIP). However, their vaccination rate is low in China as self-funded vaccines. This study aime...