The US Court of Appeals for the Fifth Circuit recently ruled that insurance companies in the US were not required to reveal blood test results which are used by them to determine the coverage eligibility. The federal court gave the verdict on a lawsuit brought by a widow who argued that the Jackson National Life Insurance Company of Mississippi had held back the fact that her husband was suffering from AIDS. The company had only told him that he was medically unsuitable for an insurance cover but did not tell him why, until nine days before his death.