Between 1972 and 2000 the reported number of imported cases increased ten-fold, from 1,500 to over 15,000; more than 700 people in the WHO European Region have died in the last decade.
Between 1972 and 2000 the reported number of imported cases increased ten-fold, from 1,500 to over 15,000; more than 700 people in the WHO European Region have died in the last decade.