Answers

2016-03-13T12:08:46+05:30
Yes because the small pox vaccine is created from the components of cow pox and so that this can only prevent small pox.cow pox is a disease that affects cows and when it is vaccinated into humans the immunity system of humans get ready and when the cells the effect of small pox the immunity system will defend the disease and so that for rabies again we should vaccinate
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