The antibodies in the serum come from the blood of horses, which are injected with the scorpion venom. That makes the Butantan institute's antivenom very important. Chiariello's team carry out ...

posing a growing danger for people across the whole country -- and spurring demand for antivenom. The most widely found species in the country, the Brazilian yellow scorpion, is the most dangerous ...

"The serum is the only way to save lives," he said. Last year saw more than 11,000 people in Brazil receive scorpion antivenom, mostly in the country's heavily populated southeast, according to ...