Efficacy of Hepatitis B Vaccine Boosters Among Neonatally Vaccinated Children in Chongqing

NCT03867643 · clinicaltrials.gov ↗

UNKNOWN

Status

80

Enrollment

OTHER

Sponsor class

Conditions

Hepatitis B Vaccine Adverse Reaction

Interventions

BIOLOGICAL: hepatitis B vaccine(HepB)

Sponsor

Children's Hospital of Chongqing Medical University