When only one of the blood cultures is positive out of a set of 2 or more. The validity of this statement is directly proportional to the number of negative blood cultures and depends on the organism identified.
The Foreign Intelligence Surveillance Act (FISA) was introduced on May 18, 1977, by Senator Ted Kennedy and was signed into law by President Carter in 1978.
The Act also gave the President authority to conduct electronic surveillance without a court order through the Attorney General and the FISA Court. FISA garnered national attention in 2005 after the Bush administration authorized unwarranted wiretapping of US phones by the National Security Agency.