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 United States Foreign Intelligence Surveillance Court (FISC, also called the FISA Court) is a U.S. federal court established and authorized under the Foreign Intelligence Surveillance Act of 1978 (FISA) to oversee requests for surveillance warrants against foreign spies inside the United States by federal law enforcement and intelligence agencies.