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Dopo decenni di ricerche e sperimentazioni, si avvicina la creazione di un vaccino "totale" contro la malaria.
Alcuni scienziati dell'Università Griffith di Brisbane sono infatti riusciti a far scattare una risposta immunitaria contro tutto il parassita della malattia, il protozoo plasmodio. Il DNA del parassita viene "accecato" ed introdotto nell'organismo, che però reagisce come se questo fosse il vero parassita e crea anticorpi per ucciderlo.
I vaccini sviluppati finora puntano, invece, su proteine individuali del parassita, ma hanno efficacia limitata poiché in seguito queste mutano.
(Red. MM/txt/ansa)
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