The test measures immunoglobulin G antibodies, which indicate past exposure or vaccination to viruses like measles.

The CDC is warning against using commercial tests to determine immunity. A Centers for Disease Control and Prevention panel once again reminded consumers this week not to use commercial antibody tests ...

Cases of respiratory syncytial virus are increasing, but vaccines and antibody shots can keep young children out of the ...

The FDA has issued emergency authorizations to 12 antibody tests for the virus. As federal officials gradually begin reopening the country, expanded testing is central to the conversation. Until now, ...

Antibodies, also known as immunoglobulins, are specialized proteins produced by the immune system to identify and neutralize foreign invaders, such as viruses, bacteria, and other pathogens. They are ...

Some people are worried that another Covid surge is coming, powered by omicron's highly contagious BA.2 subvariant. But experts say a significant jump in cases is unlikely, at least for now — possibly ...

The protective proteins in our bodies aren’t just great for fending off infection—they could also fight the effects of getting older. Normally, antibodies are protective proteins produced by our ...

Pathogens can create sticky situations. When microbes invade the body to cause an infection, often one of their first lines ...

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 ...