Toddler with fatal genetic disease given world’s most expensive drug – but it’s too late to save sister Posted on February 15, 2023 By Charlielikes A 19-month-old girl has been successfully treated for a fatal genetic disease with the world’s most expensive drug. news Tags:‘save, ‘given, ‘most, ‘to, ‘too, ‘with, billy wilkins, but, disease,, drug, expensive, fatal, genetic, it’s, late’, news, sister, toddler,, topnews, trending, world’s