Whether you're welcoming home a new baby, flying to a new destination for a vacation or working around sick patients as a doctor or nurse, your immunity is your invisible armor against all the bugs ...

Medically reviewed by Anita C. Chandrasekaran, MD Key Takeaways An ANA blood test is used to find antinuclear antibodies that can be linked to autoimmune diseases.The test shows a positive result if ...

The new report suggests patients with acetylcholine receptor (AChR) antibody titers above 8.11 nmol/L were at higher risk of conversion. Antibody titers in patients with acetylcholine receptor (AChR) ...

Passive anti-D immune globulin administered to prevent anti-D antibody formation in RhD-negative women who carry and are exposed to RhD-positive fetal RBCs; once called Rh "sensitization," this is now ...

In a recent study posted to the medRxiv* server, researchers evaluated whether serologic testing could help estimate the risk of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection ...

Doctors may order a cyclic citrullinated peptide (CCP) antibody test and other exams to confirm or rule out a rheumatoid arthritis (RA) diagnosis. A positive CCP antibody test doesn’t necessarily mean ...

A TPO antibody test helps diagnose autoimmune thyroid diseases like Hashimoto’s thyroiditis. A positive test result means antibodies are present and may indicate a thyroid condition, but other tests ...

The true etiology of the peak in C.M.'s anti-D antibody titer to 1:32, with subsequent conversion to a negative antibody status before delivery, cannot be explained with certainty. On the basis of her ...