I to hope that Mrs. Acheson has a fast and complete recovery.
For those who have not heard about this incident go over to the
www.accuratereloading.com look under African Hunting forum.
By the accounts of some people that buffalo absorbed a lot of hits by some pretty powerfull rifles. .375 H&H, .416 Rigbys, maybe even .458 Lott, before dropping...only to have to be head shot by th PH after it was down.