DEMOGRAPHIC CHANGE, GLOBALISATION, PROGRESSIVE HURRICANE AND CLIMATIC CHANGES ARE GIVING NEW SHAPE TO THE MODERN WORLD. INFECTIOUS DISEASES THAT BY DEFINITION ARE COMMUNICABLE AND THEREFORE SOMEHOW FOLLOW THE MASSES, HAVE CHANGED. IN RECENT DECADES, FOR EXAMPLE, GEOGRAPHICAL AREAS HAVE CHANGED, ALSO DUE TO CLIMATIC MUTATIONS, ON WHICH MANY DISEASES PERSIST. A CLEAR AND CURRENT EXAMPLE IS ARBOVIOSIS, VIRAL INFECTIONS TRANSMITTED BY HEMATOPHAGUS INSECTS AND SPREAD UNTIL A FEW YEARS AGO IN TROPICAL AND SUBTROPICAL AREAS. RISING TEMPERATURES IN EUROPE AND TEMPERATE COUNTRIES LED TO THE ESTABLISHMENT OF VECTORS IN THESE AREAS WITH A PROGRESSIVE AND WORRYING INCREASE IN INFECTIONS WITH ZKV, CKV, DNV, WNV. THE PROGRESSIVE AND CONSTANT INURBATION AND GLOBALISATION ARE TWO CRUCIAL FACTORS IN THE ONSET OF REAL PANDEMICS. AMONG THESE PARTICULARLY RELEVANT ARE IV-SUPPORTED INFECTIONS THAT, IN A YEAR