"My father's immune system continues to reject the 112 virus, rendering the gene therapy obsolete. His health is deteriorating, and the disease is progressing rapidly. I need a more aggressive virus strain, a faster delivery method, because at this rate...I can't lose them both. I won't lose them both."
January 1, 1970
https://en.wikiquote.org/wiki/Rise_of_the_Planet_of_the_Apes