Instituto Butantan and production of sera. The Instituto Butantan also operate the "Hospital Vital Brazil", a specialist hospital that offers free treatment for poisonous animal stings and bites. The institute also accepts donations of serpents, arthropods and other animals captured by the public and by a network of collaborating centers and individuals. The following research laboratories are part of the Butantan Institute: Important Brazilian scientists who have worked in the Butantan Institute are: Vital Brazil, Afrânio Pompílio Gastos do Amaral, Isaias Raw, Samuel Pessoa, Willy Beçak. The Institute has strong collaborative ties with the Pasteur Institute, Paris, France, and with the Oswaldo
Oswaldo Cruz, Rio de Janeiro Oswaldo Cruz, Rio de Janeiro Oswaldo Cruz is a neighborhood of the North Zone of Rio de Janeiro, of middle-class and lower middle-class situated near the neighborhoods of Madureira (east), Bento Ribeiro (west), Vila Valqueire (south), and Turiaçu (north). It is known nationally for being the birthplace of Portela, the great champion of the Carioca Carnival. Cut by the railway, Oswaldo Cruz is a typically residential neighborhood, with approximately 40.000 residents. The neighborhood was once part of the Parish of Irajá, created in 1644. In the end of the 19th century and beginning of 20th century, the economy of the