HAPPY NEW YEAR SALE!     pages10% OFF CLOSE

prevalence

definition: 
The fact or condition of being prevalent; commonness:
sentence: 
Ireland currently has the highest prevalence of asthma in Europe and it is still on the increase. Average HIV prevalences in the adult population of most sub-Saharan African countries are 25 percent.
difficulty: 
easy
toefl frequency: 
2
toefl classification: