Zapal światło na werandzie i pomóż w walce z polio. Choroba Heinego-Medina | Gazeta Polska
Medical Laboratory Science Videos - 💥Polio, or poliomyelitis, is a disabling and life-threatening disease caused by the poliovirus. 💥The virus spreads from person to person and can infect a person's spinal cord,
How Uzbekistan scrambled to stay polio-free – and succeeded | Gavi, the Vaccine Alliance
Historia pewnego zdjęcia: pomoc od Króla - #dniaciągdalszy