Learn about them and make smart decisions about sex to protect yourself. The pores of a natural condom can be large enough for the HIV virus to pass through the surface of the condom. Viruses cannot pass through a latex condom unless it is defective. According to the FDA standard, only 4 in 1000 condoms are allowed to leak. Studies have shown that in actual usage, the failure rate of condoms in preventing HIV is similar.
Condom failure is more attributed to human failure than to product defectiveness.
Your chances of getting herpes from a toilet seat are about as likely as winning the state lottery. First, the person with herpes would have to sit off-center on the toilet seat so that the sores are touching the seat. Then, right afterward, you would have to place your genitals on the same toilet seat in the same position. They all practiced abstinence for all or part of their lives. HIV is fatal.