Question

Give reason if a person had small pox once , there is no chance that he or she may suffer from it again .

Answer 1

This is because the body makes antibodies against that disease. Even in vaccines , dead or week organisms of a particular disease are introduced to our body so that body make antibodies against it.and when we r affected by that diseases our body has the power to fight against it.hope this helped pl mark as brainliest answer