If you've ever wondered how many sexual partners you've been indirectly exposed to, you can now find out by using this quick online calculator.
OK, realistically most people don't think about these things, obviously because we're too busy and don't have the time, but it's also because they're incredibly scary. So don't use this thing if you're a hypochondriac.
Lloyd's Pharmacy's Online Doctor allows you to check how many people you've been exposed to by calculating the people you've actually had sex with. The algorithm uses the data gained from what gender you've had sex with, how many people you had sex with, and what age those people are.
Have a go here, but don't take the results too seriously. We're not saying they're not right, it seems like they are, but you're probably grand. Still, maybe go check a doctor, just in case.