As a public health expert with a focus on infectious diseases, I can provide insight into which sexually transmitted diseases (STDs) are considered the most deadly. While many STDs can be serious if left untreated, some have more severe consequences than others. HIV (Human Immunodeficiency Virus) is often considered the most deadly STD due to its progression to AIDS (Acquired Immunodeficiency Syndrome), which can lead to life-threatening complications and has no cure. HIV attacks the immune system, leaving the individual susceptible to opportunistic infections and certain types of cancers. Without treatment, HIV can lead to death. However, with proper medical care, including antiretroviral therapy (ART), individuals with HIV can live long, healthy lives. Another STD that can be particularly dangerous is Syphilis, especially if it progresses to its later stages. If untreated, syphilis can cause severe damage to the heart, brain, nerves, and other organs, and it can be fatal. While Hepatitis B and Hepatitis C are also serious, they are viral infections that primarily affect the liver. Hepatitis B can lead to chronic liver disease, cirrhosis, or liver cancer, and Hepatitis C is a leading cause of liver transplants and liver cancer. Both can be life-threatening if not properly managed. Chlamydia and gonorrhea, while common and potentially serious if left untreated, are generally less deadly than HIV, syphilis, hepatitis B, and hepatitis C. With appropriate treatment, most people recover fully from these infections. In conclusion, among the STDs mentioned, HIV is typically considered the most deadly due to its potential to progress to AIDS, which is life-threatening. However, all STDs should be taken seriously and treated promptly to prevent serious health complications. read more >>

Chlamydia. Chlamydia is the most commonly reported STD in the United States, with more than 1.3 million cases reported in 2013 alone. ... Gonorrhea. ... Hepatitis B. ... Hepatitis C. ... Syphilis. ... HIV.read more >>