Since the the author presumably copied and pasted the original title, assuming the remove of the "-" was intentional to make more click baity since then reads a

Since the the author presumably copied and pasted the original title, assuming the remove of the "-" was intentional to make more click baity since then reads as if someone is using AI to create superbugs that can kill anti biotics rather than of course what the actual article said which was an antibiotic that is superbug-killing.