True wisdom is less presuming than folly. The wise man doubteth often and changeth his mind the fool is obstinate and doubteth not he knoweth all things but his own ignorance.
There is no such thing as death. In nature nothing dies. From each sad remnant of decay some forms of life arise so shall his life be taken away before he knoweth that he hath it.
When a person tests positive for HIV it is not a test for the virus itself but for antibodies to the virus and the test is not able to distinguish between HIV antibodies and a multitude of other antibodies. Many conditions can lead to a false positive result including flu shots hepatitis and pregnancy.