पलिय' भाइरासजों सनदेरजानाय सुबुंफोरा 7 - 10 सानफोर आगोल जोबोर सनदेरजाथाव , आरो उनाव बिफोरनि लैखोनफोरा नुजायो ।
People infected with the polio virus are most contagious 7 10 days before and after their symptoms appear .