I thought it was viral, but no biggie.
The article is true, the tetanus needs to get deep in the body, the reason for the nail deal is that it puts it right into a muscle.
If you ever get injectible penicillin, you need to inject it into a muscle.
If you stay awake at night having nightmares about tetanus, you can go to your local famr supply and buy Tetanus Antitoxin, Fort Dodge, (for veterinary uses only)
Clostridium. But another species of Clostridium causes gas gangrene and another causes botulism. Bad genus of organisms.