Also, sometimes people can catch something without being aware of it.
Not just sometimes, a lot of the time. STD’s are often asymptomatic, especially in men. The majority of HPV infections have no symptoms, but they can cause cervical and other cancers (and warts!). Even with HIV, an estimated 13% of people who have it don’t know they have it (per hiv.gov).




Right, like, who did you think you were making surveillance tools for? Because it wasn’t Mr. Rogers.