Treating coronavirus patients with an antibody-rich serum made from horse plasma has produced worse results than originally hoped, Costa Rican authorities said.Â
Costa Rica again expanded its intensive-care capacity at public hospitals, announced Mario RuÃz, the medical manager for the Costa Rican Social Security System (CCSS).Â
Costa Rica is set to begin clinical trials on antibody-rich plasma that has been extracted from horses with the purpose of treating COVID-19 patients.Â