Influenza 2013: come rinforzare il sistema immunitario


Descrizione: German Agriculture Minister Ilse Aigner picks up an onion at a fruit and vegetable stand as she tours the German agriculture ministry's hall at the Gruene Woche (Green Week) Agricultural Fair in Berlin on January 17, 2013. AFP PHOTO / JOHN MACDOUGALL (Photo credit should read JOHN MACDOUGALL/AFP/Getty Images)

Crediti immagine: AFP/Getty Images - © 2013 AFP

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