Ever wonder what is incidence or prevalence? You may hear those words elsewhere when statistic is announced.
Here is my brief explanation:
Incidence is the case which starts to occure.
Prevalence is the case which last longer time.
For examples, in AIDS, there is 3 new cases in january and 5 old case which is found in january. So we say that in January 3 incidences and 8 prevalences. But for acute disease such as Swine Flu, we always use incidence because this disease lasts not very long. For instance, in February, 6 cases of Swine Flu are found so we say that 6 new incidences in February. In short, if you hear later prevalences or incidence, you should be able to distinguish from them. But if you got any new questions, leave me some email.
●VANN● SovannVathana