Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

Adaptive immunity is the protection of a host organism from a pathogen or toxin. It is mediated by B cells and T cells, and is characterized by immunological memory. Adaptive immunity is highly ...

An antibody titer test identifies and measures the amount of antibodies in your blood, which indicates the strength of your immune response. Doctors use this test to determine if you’ve had past ...