The real reason polio is so dangerous

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John
انگریزی
کالج کے طلباء
مختصر
چند سیکنڈز میں اپنی ویڈیو کو نمایاں بنائیں۔ آواز، زبان، انداز، اور ناظرین کو بالکل ویسے ہی ترتیب دیں جیسے آپ چاہتے ہیں!
خلاصہ
Polio was once a devastating virus, causing paralysis in many. Vaccines like IPV and OPV drastically reduced cases, but new vaccine-derived strains emerged due to under-vaccination. To combat this, researchers developed safer OPVs and used technology to ensure vaccination thresholds are met. The fight against polio continues, especially in conflict zones.
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