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STI 101: Basics of Sexually Transmitted Infections


Take this course to learn the basics of STIs. Suitable for community health workers and anyone who needs a refresher on chlamydia, gonorrhea, trichomoniasis, syphilis, herpes, HPV, and HIV.

About this Independent Study

This activity was originally released in June 2017. Reviewed/updated in March 2024. Once registered, you must complete the course within 150 days, or you will be deactivated. To be reactivated, contact us. 

If you completed the course prior to March 2024, you can retake it to access the updated information and get a new certificate.


Sexually transmitted infections are common in the United States, yet many staff new to healthcare do not have a good understanding about the different causes and treatments. This interactive, easy to understand course offers an overview on the most common STIs in the U.S.: chlamydia, gonorrhea, trichomoniasis, syphilis, herpes, HPV, and HIV.

Who Should Take This Course

This two-hour self-paced course is designed for community health workers and community outreach/education staff. Other staff who need a primer in sexually transmitted infections will also benefit.


By the end of this online training, you will be able to:

  • List common STIs
  • Explain what happens when STIs are not treated
  • Discuss what to do if someone thinks they may have an STI
  • Explain how to help your community lower its risk for STIs

Continuing Education 

Continuing Education for Community Health Workers (CHW) and CHW-I

Texas community health workers (CHWs) can apply for 2.0 hours of continuing CHW education.

Competency Areas: 2 – 1.5 hour Knowledge Base on Specific Health Issues, .5 Service Coordination

Cardea is approved by the Texas Department of State Health Services to provide continuing CHW hours in Texas, 
Certification #44 and continuing CHW-I hours in Texas, Certification #55.

Here is the course outline:

1. STI 101 Content

Learn the symptoms, prevention, and treatment options for the most common STIs in the U.S.

2. Evaluation and Certificate

Complete the anonymous evaluation, answer continuing education related questions, and select a certificate.


The following certificates are awarded when the course is completed:

Community Health Worker (CHW) TX
Community Health Worker (CHW) Instructor TX
Certificate of Completion
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