Sentence examples for immunization failure from inspiring English sources

This antigenic drift might have led to immunization failure and may explain the current prevalence of the H9N2 influenza virus in China.

Answers were categorised according to the WHO "Reasons for immunization failure cluster form" [ 18].

Serological evidence of immunization failure is, however, relatively less reported in contrast.

These variations of amino acid sequences probably changed the immunogenicity of S protein and led to immunization failure of current commercial vaccines made from classical PEDV strains.

One more topic worth exploring is the immunization failure occurring in the specific age group that received one-dose vaccine after mass vaccination, which is significantly higher than reported in previous studies.

It is speculated that, in addition to the reasons for the primary immunization failure, the rate of antibody decline is faster than seen in pre-licensure studies, which may be due to asymptomatic boosting of vaccine-induced immunity, and the fact that exposure to wild-type VZV is more impossible after extensive application of vaccines and a dramatic decline in incidence.

Wang et al. [ 13] and Zhang et al. [ 14] found that most immunization failures in newborns with DP mothers were due to intrauterine infection [ 11, 15].

While costly anti-viral treatment has limitations in resolving chronic HBV infection,, hepatitis B vaccination is an effective and inexpensive measure against HBV infection,, although a small number of immunization failures do occur.

Despite the fact that the current vaccine strategy can efficiently control PCV2 infection, immunization failures exist in the field, and the molecular mechanisms underlying PMWS and porcine dermatitis and nephropathy syndrome (PDNS) caused by PCV2 remain largely unknown.

IMPACT is a pediatric hospital-based national active surveillance network for adverse events following immunization, vaccine failures in children.

Indeed, patients positive for ATI probably had already switched to another treatment because of clinical signs of immunization or secondary failure of treatment.