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.
USAA conducted its business through mail till 1960's before shifting to phone to sell and serve. It introduced its toll free number in 1978. USAA started writing life insurance and home insurance in 1960's followed by the brokerage and banking services in 80's. The company opened its headquarters in San Antonio, Texas in 1976 in an area of 232 acres.