I'm not sure that's a valid statistics. Simply requiring that prostitutes are disease-free would mean that as soon as a prostitute gets a STD, she can't be a pr

I'm not sure that's a valid statistics. Simply requiring that prostitutes are disease-free would mean that as soon as a prostitute gets a STD, she can't be a prostitute any longer. To actually confirm that prostitues are protected/healthier, you'd need to track people who used to be prostitutes vs. people who never were, and measure incidence of STDs for e.g. 10 years.