The researchers determined COVID-19 history based on IgG titers against SARS-CoV-2 spike protein at study initiation and nucleocapsid (N) proteins at six months, excluding those with positive ...

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Immune responses to respiratory syncytial virus (RSV) vaccines tended to fall short in older people with weakened immunity, a study found. In 38 immunocompromised persons who received either the ...

Correlates IqG titer-per-cell with cell health and cell growth readouts in a single IgG competition immunoassay that measures cells and secreted protein. Provides pertinent data for clone ...