What is the most reported STI in the US?

How Common: Chlamydia is the most commonly reported STI in the United States. In 2023, over 1.6 million cases were reported, though the actual number is likely much higher since many cases go undiagnosed. Globally, the WHO estimated 129 million chlamydia infections in 2020.

What is the #1 STD city in America?

There isn't one single "number 1" STD city, as rankings vary by study and year, but Detroit, MI led recent Innerbody Research studies (2025) for overall STIs in metro areas, while Memphis, TN topped earlier reports for city rates. Other cities consistently high on lists include Jackson, MS; Columbia, SC; and Philadelphia, PA, with rates often tied to specific infections like chlamydia, gonorrhea, or syphilis. 

What is the deadliest STD in the United States?

Human Immunodeficiency Virus (HIV) This is one of the most well-known and deadly STDs. It attacks the body's immune system, specifically targeting CD4 cells, which are essential for fighting infections.

What STD does 90% of the population have?

The human papillomavirus (HPV) is the most common STI in the United States. There are more than 40 different strands of HPV and many do not cause any health problems. In 90% of cases, the body's immune system clears the infection naturally within two years.

What state is #1 in STDs?

The state with the highest STD rate is Mississippi, with a rate of 1,291.4 STD cases per 100,000 state residents. The STD rates by state range from Mississippi's high of 1,291.4 to Vermont's low STD rate of 201.8 cases per 100,000 residents.

The most common STI in the world - Emma Bryce

Which is the easiest STD to catch?

Chlamydia. This kind of bacterial infection can spread through sexual contact with the infected individual. The disease may pass on through oral sex or sharing of sex toys. Sometimes, having oral sex with a partner can cause chlamydia in your throat.

What's the rarest STD?

The rarest STIs are often those geographically localized or caused by less common pathogens, with Donovanosis (Granuloma Inguinale) and Lymphogranuloma Venereum (LGV) frequently cited due to their rarity in developed nations, alongside emerging fungal infections like Trichophyton mentagrophytes type VII. Donovanosis causes flesh-eating-like ulcers in tropical regions, while LGV, a specific chlamydia strain, affects lymph nodes and can cause severe gastrointestinal issues. 

Which STD kills you the fastest?

While no STD kills instantly, HIV/AIDS is arguably the fastest at leading to death without treatment because it destroys the immune system, making the body vulnerable to fatal infections (opportunistic infections) and cancers, but with modern medicine (ART), HIV is manageable; however, untreated Syphilis can also progress to fatal organ damage (brain, heart, nerves) within years, while untreated Hepatitis B/C causes chronic liver disease, cirrhosis, and liver cancer over a longer period. 

What STDs can be transmitted through kissing?

Yes, some STDs can be transmitted through deep, open-mouthed kissing, primarily Herpes (HSV-1) and Syphilis, due to direct contact with sores or lesions, and also Cytomegalovirus (CMV), Gonorrhea, and Chlamydia, which can spread via saliva or mucous membranes, though transmission is generally low risk compared to sexual contact. HPV (causing oral warts) and Epstein-Barr Virus (Mono) also spread via saliva.
 

Which STD is the scariest?

Human immunodeficiency virus, which is widely known as HIV, is the virus that causes AIDS (acquired immunodeficiency syndrome). AIDS is a serious, life-threatening illness with a variety of symptoms (16).

What STD is Texas known for?

Chlamydia and gonorrhea are the most common sexually transmitted diseases (STDs) in Texas and across the U.S. STDs can infect both men and women and are especially common in youth ages 15-24. STD infection often causes no symptoms.

What is the fastest growing STD in the United States?

Primary and secondary syphilis infections have seen the most dramatic increase, with total national rates at their highest since 1993. From 2014–2016, syphilis rates increased by 24.5% among adolescents aged 15–19 years and 25.4% among adolescents aged 20–24 years.

Where is the most common place to get chlamydia?

Chlamydia is spread through vaginal fluid and semen. It can pass from person to person by having vaginal, oral or anal sex without a condom. If you have chlamydia when you're pregnant, it can pass to your baby during birth. There are some things you can do to avoid getting chlamydia and spreading it to others.

What state is #1 in chlamydia?

Recent CDC STI surveillance data shows that nationally Louisiana ranks #1 for chlamydia, #2 for gonorrhea and #8 for syphilis.

Will 2 days of doxycycline cure chlamydia?

The most common and effective treatment is a 7-day course of doxycycline. A single dose of azithromycin may be given but it is less effective than 7 days of doxycycline. For LGV, you need 21 days of doxycycline treatment. All sex partners should be checked, tested, and treated.

How did my boyfriend get chlamydia if I don't have it?

Non-Sexual Transmission through Bodily Fluids: Chlamydia can be transmitted through direct contact with infected fluids. [3] This might occur in cases where there's an exchange of bodily fluid containing the bacteria, such as vaginal fluid or semen, without engaging in sexual activity.

Which is the easiest STD to catch?

Chlamydia. This kind of bacterial infection can spread through sexual contact with the infected individual. The disease may pass on through oral sex or sharing of sex toys. Sometimes, having oral sex with a partner can cause chlamydia in your throat.

What STI is on the rise?

While overall U.S. STI rates saw slight dips recently, Syphilis, especially congenital syphilis, remains alarmingly high and has been rising for decades, with huge spikes in cases and associated infant deaths. Gonorrhea has also seen multi-resistant strains and surges, and HPV is extremely common, with older adults seeing big increases recently, though chlamydia, the most common STI, has seen slight declines in the last couple of years.
 

Which U.S. state has the lowest STD rate?

Vermont, New Hampshire, and Maine consistently rank as having some of the lowest overall STD infection rates in the U.S., often cited by health studies and CDC data, due to factors like higher income, lower uninsured rates, and less ethnic diversity in the New England region, though rates vary by specific infection like chlamydia or syphilis. 

Do you legally have to tell someone you have an STD in Texas?

There isn't a law in Texas that makes it illegal for you to not tell a partner you have an STD or STI. However, it is illegal to knowingly or recklessly transmit an STD. As mentioned, if you don't tell a partner about your STD and they contract the disease, you could face criminal charges.

What are the big 4 diseases?

Can anyone avoid the “big four” health problems? A. In a world of conflicting headlines and confusing research, people constantly wonder if there is anything they can do to improve their chances of avoiding the big four diseases—cancer, heart disease, diabetes and dementia/Alzheimer's.

What is the Raider rash?

"Raider Rash" is a slang, unofficial term used primarily around Texas Tech University (whose mascot is the Red Raider) for common sexually transmitted infections (STIs), like chlamydia or gonorrhea, often spread among college students. It's a rumor-fueled nickname that highlights concerns about high rates of STIs, though universities stress they're not worse than other schools, and symptoms vary.
 

What STDs do 90% of people have?

The most common STI in the US is the human papillomavirus or HPV. At any given time, about 80% of sexually active people are estimated to be infected, including 42% of adults 18 to 59 years. Of those infected, 7% will have oral HPV, and roughly 14 million new cases of this condition are estimated to be reported yearly.

What is the new STD that came out?

While no brand-new STIs have emerged recently, Mycoplasma genitalium (Mgen) is a significant, often missed infection causing inflammation and infertility, and sexually transmitted ringworm (TM7) is gaining attention for inflammatory genital rashes, potentially linked to travel and multiple partners. Additionally, bacterial vaginosis (BV) is increasingly recognized as a sexually transmitted condition requiring partner treatment for better cures, and growing antibiotic resistance in common STIs like gonorrhea and Mgen remains a major concern.