seronegative

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seronegative

[¦si·rō′neg·əd·iv]
(pathology)
Having a negative serologic test for some condition.
Specifically, having a negative serologic test for syphilis.
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References in periodicals archive ?
But certainly seronegativity seems to be a strong predictor of the likelihood of sustained remission.
This high seronegativity brings risk to control of polio in Eastern Turkey which is at the post-elimination era since 1998.
All women were screened at baseline to ensure seronegativity for high-risk strains 16 and 18 of the human papillomavirus (HPV) as well as for strains 6 and 11, which are also included in the quadrivalent product.
HIV-1/HIV-2 seronegativity in HIV-1 subtype O infected patients.
It is recognized that there is an initial window of HIV-1 seronegativity immediately after HIV-1 infection.
The low sensitivity of these tests (about 30010 in early Lyme disease and 50% in late Lyme disease) and the significant seronegativity of Lyme patients (as many as 30% to 50% of cases) suggest the need for more sensitive T cell-based laboratory tests.
1 per cent (1) in 345 healthy voluntary blood donors and seronegativity in donors less than 20 yr and more than 50 yr.
9,10] Posttransplantation lymphoproliferative disorders are frequently, but not always, associated with the Epstein-Barr virus (EBV),[11-14] and pretransplantation EBV seronegativity has been suggested as a primary risk factor for the development of PTLD.
Moreover, late seroconversion, persistent seronegativity, and seroreversion of IgG against HEV have been reported for severely immunocompromized patients, including some infected with HIV (3-5), which brings up the question as to whether prevalence of IgG against HEV is underestimated among severely immunocompromised persons infected with HIV.
More Hepsera-treated patients achieved normalized alanine aminotransferase levels, reductions in hepatitis B DNA to below 400 copies/mL, and HBeAg seronegativity.
Once IgG seroconversion had occurred, none of the subsequent samples from these patients reverted to MCV IgG seronegativity.