Several assays show hepatitis B positivity soon after vaccination

[Immunogenicity of hepatitis B vaccination in preterm infants started soon after birth: the implications for prevention].

Infections by the hepatitis B virus (VHB) that occur during infancy, acquired from a mother carrying the virus, account for 40% of all infections and are of great clinical and epidemiological relevance worldwide. Despite the acute infection being symptomatic in less than 10% of children, the development of a chronic infection and its consequences, after an acute infection, is inversely proporti...

the necessity of booster vaccination after neonatal hepatitis b vaccination

Acute Myelitis after hepatitis B vaccination.

We report a case of myelitis after plasma-derived hepatitis B vaccination. The patient was a 31-year-old man who presented with progressive sensory symptoms in extremities that developed 2 weeks after a third vaccination. MRI of the cervicothoracic region revealed swelling and T2 high signal at the level of C4 to C5 cord, and isolated enhancement in the posterior columns between C4 and C5 cord....

Prolonged hepatitis B surface antigenemia after vaccination.

Infection with hepatitis B virus can lead to serious long-term complications including chronic hepatitis B virus infection leading to hepatocellular carcinoma, liver failure, and death. We report a case of prolonged hepatitis B antigenemia after routine vaccination with Engerix B. A positive hepatitis B surface antigen was found when the individual donated blood 18 days after vaccination. This ...

The necessity of booster vaccination after neonatal hepatitis B vaccination

Soon after introducing recombinant hepatitis B virus (HBV) vaccine, universal neonatal vaccination became the corner stone of the preventive measures for this potentially life threatening infection (1-3). By 2006 more than 177 out of 193 member states of world health organization (WHO) introduced HBV vaccination in their national infant immunization programs (1). Following a complete series of ...