Qualla: Instituto Butantan

Instituto Butantan: Introduction

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Governo do Estado de São Paulo, CC BY 2.0. The name on the door sounds like a pharmaceutical company. Inside, thousands of venomous snakes press against the glass of their terrariums, fangs folded, venom sacs full. Instituto Butantan is both things at once -- a world-class biomedical research center and a place where visitors come face to face with some of the most dangerous creatures in South America. Founded in 1901 because bubonic plague was killing people in the port city of Santos, Butantan has spent more than a century turning poison into medicine. The word itself comes from Tupi, the indigenous language family whose speakers lived here long before microscopes arrived.

Read more: Instituto Butantan on Qualla

Image: Governo do Estado de São Paulo | CC BY 2.0

Instituto Butantan: The Doctor Who Chased Plague

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Adelano Lázaro, Public domain. In 1899, bubonic plague reached the port of Santos, and the São Paulo state government panicked. They needed anti-plague serum, and they needed it fast. A physician named Vital Brazil Mineiro da Campanha was dispatched to Santos with a microscope, culture media, and autopsy instr...

Read more: Instituto Butantan on Qualla

Image: Adelano Lázaro | Public domain

Instituto Butantan: The Serpentarium

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Governo do Estado de São Paulo, CC BY 2.0. Walk the grounds of Instituto Butantan today and you will find the serpentarium -- an open-air enclosure where pit vipers, coral snakes, and rattlesnakes bask in the subtropical sun. The institute maintains one of the world's most important collections of venomous animals: not ju...

Read more: Instituto Butantan on Qualla

Image: Governo do Estado de São Paulo | CC BY 2.0

Instituto Butantan: The Fire That Erased a Century

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit CC BY-SA 3.0. On May 15, 2010, an electrical fault sparked a fire in the building housing Butantan's natural history collection. The blaze destroyed approximately 85,000 preserved snake specimens and an estimated 450,000 spiders and scorpions -- one of the largest collections of venomous anima...

Read more: Instituto Butantan on Qualla

Image: CC BY-SA 3.0

Instituto Butantan: From Plague to Pandemic

Mon, 09 Mar 2026 00:00:00 GMT

Photo credit Governo do Estado de São Paulo, CC BY 2.0. When COVID-19 reached Brazil in 2020, Butantan's 119-year-old mission -- produce what the public health system needs, now -- kicked in again. The institute partnered with Chinese pharmaceutical company Sinovac to manufacture CoronaVac, an inactivated virus vaccine, at a new facil...

Read more: Instituto Butantan on Qualla

Image: Governo do Estado de São Paulo | CC BY 2.0