Costa Rica has created an antivenin serum to combat the venom of three Nigerian serpents which bite a total of 150,000 people a year, official sources told Efe today.
Costa Rica Creates Antivenin For Three Nigerian Snakes
April 16, 2009
Costa Rica has created an antivenin serum to combat the venom of three Nigerian serpents which bite a total of 150,000 people a year, official sources told Efe today.