Prevalence The proportion of a defined population with the infection, disease or other health related event of interest at a given point or period in time. Point prevalence is the proportion of a population with a disease at a specified point in time. Period prevalence is the total proportion of a population known to have had the disease at any time during a specified period. The term includes those who earn money through sexual labour on a regular basis, as well as those who do it casually or informally, or on an intermittent basis. Any sexual practice that aims to reduce the risk of passing HIV from one person to another is safer sex.
Examples are non-penetrative sex, or vaginal intercourse with a condom.
A measure of the responsiveness of a test to the presence of HIV infection. The percentage of a population from whom blood has been collected that is found, on the basis of serology, to be positive for HIV or other STD agents at any given time. Employment in sex work includes owners, managers and organizers of sex work establishments. A person who trades sexual acts or services for money or goods. Social Marketing Application of private sector marketing techniques to the sale of products, such as condoms, that fulfill a social objective.