In a community, an increase in new cases denotes:
Incidence is defined as, "the number of new cases occurring in a defined population during a specified period of time". Incidence measures the rate at which new cases occur in a community. Ref:Parks Textbook of Preventive and Social Medicine By K.Park, 18th Edition, Page 55
Increase in incidence rate
Increase in prevalence rate
Decrease in incidence rate
Decrease in prevalence rate