The document summarizes information about syphilis, including that it is caused by the bacterium Treponema pallidum, has stages of primary, secondary, latent and tertiary infection, and is typically transmitted sexually. It is estimated that there are 6 million new cases globally each year, with approximately 30,000 cases in India in 2015. Syphilis can affect multiple body systems and be treated with antibiotics like penicillin, cephalosporins, tetracyclines and probenacid.