Cystatin C.

Sexually Transmitted Infections (STIs) continue to be a significant global health concern, affecting millions of people each year, irrespective of geographical location or economic status. While the spotlight often falls on diseases like HIV and syphilis due to their severe consequences and historical significance, other STIs such as chlamydia, gonorrhoea, and human papillomavirus (HPV) also pose substantial threats to public health worldwide.