Your saliva test can check body’s immunity

Y Researchers from the University of Birmingham have found that antibody levels in saliva are linked to those in blood serum, suggesting a new method for assessment of protection against bacterial infections. The study was published in the journal Biomarkers. They found that in general, higher antibody concentrations in serum were associated with higher concentrations in saliva, with the strongest relationships observed for IgA antibodies. “Protection against bacterial infection is usually inferred by measuring antibody levels in blood serum,” said lead study author Dr Jennifer Heaney. “But taking blood samples…

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