"Carnival I was a Blackwatch project, which took place in 1963. It introduced the Redlight virus into animals such as chimpanzees to determine if it was suitable for human experimentation."@en . . . "Carnival I"@en . . "Carnival I was a Blackwatch project, which took place in 1963. It introduced the Redlight virus into animals such as chimpanzees to determine if it was suitable for human experimentation."@en .