Condoms are recommended because they offer strong protection against many infections spread through semen, vaginal fluids and blood. This is because some infections spread through direct skin-to-skin contact and can affect areas that a condom does not cover. In this article, Tribune Online highlights five infections you can still get even if you use a condom during sex. If the sore is outside the area protected by a condom, the infection can still spread through direct contact during sex. Molluscum contagiosumMolluscum contagiosum is a viral skin infection that can spread through direct skin contact, including sexual contact in adults.