[Perinatal prevalence of HBsHg: preliminary results of a pilot study].
Hepatitis B surface antigen was determined by EIA in the serum of 284 women at the end of their pregnancy. They belonged to the lower socio-economical status of the cities of Caracas and Valencia in Venezuela. In Caracas (Petare) all were negative, in Valencia, 5 of 150 (3.3%) resulted positive.
Agüero
L
L
Hospital Materno Infantil Joel Valencia Parparcén, Caracas.
Salvatierra
C A
CA
Perozo-Ruggeri
G
G
Colmenares
C
C
Römer
H
H
D004797:Enzyme-Linked Immunosorbent Assay; D005260:Female; D006509:Hepatitis B / Q000453:epidemiology*; D006514:Hepatitis B Surface Antigens / Q000032:analysis*; D006801:Humans; D007231:Infant, Newborn; D010865:Pilot Projects; D011247:Pregnancy; D011251:Pregnancy Complications, Infectious / Q000453:epidemiology*; D015995:Prevalence; D011446:Prospective Studies; D011897:Random Allocation
D006514:Hepatitis B Surface Antigens
Prevalencia perinatal del AgsHB: resultados preliminares de un estudio piloto.