Vaccines Rely on Horseshoe Crab’s Blue Blood for Purity

Vaccines Rely on Horseshoe Crab’s Blue Blood for Purity

Every spring, 500,000 Atlantic Horseshoe Crabs are collected by four biopharmaceutical companies as they crawl to the mid-Atlantic beaches to lay their eggs.  The helmet-shaped arthropods are placed upside down on a rack, and a sterile needle is inserted near the heart to collect about 30 percent of their blood.1 2  The crabs are returned […]