What is the rate of incidence for parasitic infections?

There are millions of parasitic infections each year with the rate of incidence and type of infection varying greatly depending on geographic location. In sub-Saharan Africa, malaria alone causes about 1 million deaths each year with the rate of infection being far higher. Modern, industrial nations also see many parasitic infections. In the United States, there are 7.4 million new cases of Trichomonas, a particular type of parasitic infection, each year.