Tests for the SARS virus will soon help doctors sort out whether people with worrisome coughs and fevers actually have the new respiratory illness, relieving anxiety for many and helping judge who ...

This Journal feature begins with a case vignette highlighting a common clinical problem. Evidence supporting various strategies is then presented, followed by a review of formal guidelines, when they ...

Antibody tests are important tools to assess the efficacy of vaccine candidates and to derive suitable vaccination modalities. High specificity and sensitivity are of great importance for the quality ...