Porn industry uses an interesting trick: since all porn talent on all non-underground shoots is supposed to only engage in sex with others (on and off the set)

Porn industry uses an interesting trick: since all porn talent on all non-underground shoots is supposed to only engage in sex with others (on and off the set) who tested negative and since the new talent has to test negative first time weeks before the talent enters the pool even the look back tests are very effective.