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Wisconsin Watch partners with Gigafact to produce fact briefs — bite-sized fact checks of trending claims. Read our methodology to learn how we check claims.

Yes.

Syphilis cases in the U.S. increased 80% from 2018 to 2022 and caused 231 stillbirths in 2022, the federal Centers for Disease Control and Prevention reported Jan. 30, 2024.

The cases are the highest since the 1950s, the CDC said.

Syphilis is a sexually transmitted infection that is spread through vaginal, anal or oral sex. Untreated, it can seriously damage the heart and brain and can cause blindness, deafness and paralysis. 

Cases increased from 115,000 in 2018 to more than 207,000 in 2022.  

The highest rate was 84.3 per 100,000 people in South Dakota; the lowest was 0.5 in Vermont; Wisconsin ranked 29th at 12.6. 

The 231 stillbirths were in addition to 51 infant deaths.

The syphilis increase may be related to diverting funds from public health clinics to COVID-19 treatment, according to a study published in July 2022 in the Annals of Medicine and Surgery journal.

This fact brief is responsive to conversations such as this one.

Sources

Centers for Disease Control: 2022 U.S. Syphilis Cases Reach Highest Numbers Since the 1950s

Centers for Disease Control: Syphilis in Babies Reflects Health System Failures

Centers for Disease Control: STD Facts

Centers for Disease Control: 2022 STI Surveillance Report

Annals of Medicine and Surgery: Rise of syphilis surge amidst COVID-19 pandemic in the USA: A neglected concern

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Tom Kertscher joined Wisconsin Watch as a full-time reporter in October 2024. He started as a fact checker in January 2023 and contributes to our collaboration with the The Gigafact Project to fight misinformation online. Kertscher is a former longtime newspaper reporter, including at the Milwaukee Journal Sentinel. He is a contributing writer for Milwaukee Magazine and sports freelancer for The Associated Press.