pregnancy in the rudimentary horn of uterus is rare. uterine rupture is a rare obstetrical catastrophe that occurs before 20 weeks’ gestation in 70% of unicornate uterus cases. a 24-year-old primigravida woman was referred to our hospital due to failed induction-in-17th-weeks-of-her-pregnancy. fetal-death was confirmed on abdominal ultrasound. examination under-anaesthesia revealed -pregnancy-i...

This discussion attempts to present a simple explanation of the current theory of error catastrophe and why it does not herald a paradigm shift in antiviral strategy. In the main text of the paper, the workings of a simple model of error catastrophe are examined to demonstrate what actually causes error catastrophe. The Appendix contains a more detailed discussion of the original error threshol...