Tetnus Teani

Tetnus is the opposite of tetanus, it contracts those muscles. Diphtheria was a childhood condition where children would get serious respitory issues. The horse amune system said, what the hell is theirs? I'd better make some aintibodies to it. And then they would give that to children. How long goes this? I think the twenties or thirties. Askd i caw, there was a case.