Callahan feels that doctors of medicine should not be given the right to end lives of people who no longer feel life is worth living and that euthanasia should only be utilized only to relieve the pain of an incurable disease. (pg. 228) It is not medicines, place to lift from us the burden of suffering, which turns on the meaning we assign the decay (or natural aging process) of the body and its eventual death. It is not it's place to determine when lives are not worth living or when the burden of life has become to great to be borne. (pg. 229) Hence he is saying that physicians should not be allowed to be the sole person making judgements about who should be allowed to live or die, in any situation.
The person who knows that he or she is infected and chooses to forego treatment has decided to commit suicide. The flipside of this is the person who infected the individual initially
, knowing that they were infectious decided to end the other persons life for them. This by our standards ehis would be murder. However, should both parties know