The second is the "paradoxical" symptomatic relapse of a prior infection despite microbiologic treatment success.

In the early inflammation phase, the pathogens are recognized by antibodies that are already present (innate or acquired through prior infection; see also cross-reactivity).

The result can be used to determine if acute infection, prior infection, or passively acquired maternal antibody in an infant is present.

DHF can result in circulatory instability or shock, and the risk for these complications may be increased among persons with prior dengue infection.

Second, due to the possibility that prior infection with HHV-6 might be directly or indirectly protective against tumor development.

Almost all cervical cancers are caused by prior infection with human papillomavirus, or HPV.

This study does not support the hypothesis that prior infection with adenovirus 12 is a precipitating factor in coeliac disease.

It was postulated that prior infection with adenovirus 12 might predispose genetically susceptible individuals to the later development of coeliac disease.

Memory T cells have become "experienced" by having encountered antigen during a prior infection, encounter with cancer, or previous vaccination.

The influence of prior infection with Leishmania arabica on challenge with L. major in man.