Which std/sti can cause chancres in the first stage and then paralysis, convulsion, heart disease, and organ failure in the least stage?

Sifilis is the STD/STI that can cause chancres in the first stage and then paralysis, convulsion, heart diseas, and organ failure in the least stage.

Explanation:

Syphilis is an infection that can impact your health in a very bad way if you don't treat it. it is divided into different stages and the first stage in which sores or chancre are presented and then go away. After that period if not treated you can develop more syphilis in a second or third stage. In which the chancres present in the rest of the body. After it, it can affect your inner organs or not, but it depends on the attention you receive and the reaction of the infection.

d) the ability to recognize shapes