Gee Clod, so many factual errors in your discussion.
Most of the current vaccines are for viruses, so discussion giving antibiotics instead is immaterial.
Back to talking about Hepatitis B,
HBV is transmitted by percutaneous or mucosal exposure
to the blood or body fluids of an infected person, most often through injection-drug use,
from sexual contact with an infected person,
or from an infected mother to her newborn during childbirth.
The risk for chronic HBV infection decreases with increasing age at infection.
Among infants who acquire HBV infection from their mothers at birth,
as many as 90% become chronically infected,
whereas 30%–50% of children infected at age 1–5 years become chronically infected.
This percentage is smaller among adults, in whom approximately 5% of all
acute HBV infections progress to chronic infection.
At least 50% of these chronic infections
eventually lead to the person's death due to liver disease.
If you look for studies about the efficacy of only screening pregnant women,
and immunizing only the mother, or immunizing the newborn, or
immunizing the newborn AND giving HBIG (immune globulin),
you find that your scheme just doesn't work.
Quote:
A significantly greater percentage of children with HBeAg-positive mothers
tested positive for antibodies against the hepatitis B core protein (16.76%) and HBsAg (9.26%)
than children with HBeAg-negative mothers (1.58% and 0.29%, respectively; P < .0001 and <.001).
Among the HBV-infected children, the rate of chronicity also was higher
among children with HBeAg-positive mothers than children with HBeAg-negative mothers (54% vs 17%; P = .002).
Similar rates of antibodies against the hepatitis B core protein (0.99% and 1.88%; P = .19)
and HBsAg (0.14% and 0.29%; P = .65) were noted in children born to HBeAg-negative
mothers who were or were not given HBIG.
Infantile fulminant hepatitis developed in 1 of 1050 children who did not receive HBIG (.095%).
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I understand your warning about potential, future bad things happening... maybe.
But bad things are happening now, and that's what public health is all about... dealing with reality, not the theoretical.