Decreasing barriers to STI and HIV testing with

The growth of private testing services for HIV and other sexually transmitted infections (STIs) in the Netherlands called for a novel approach to decrease barriers and help individuals navigate the increasingly complex landscape of STI testing options. Although some online providers of STI testing products offer excellent services, a recent investigation showed that the quality of many private providers remains poor. In order to contribute to STI prevention and control in the Netherlands through the use of private home testing, Soa Aids Nederland  started creating

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High quality, anonymous and free is the first conversation-styled, automated online advice tool in the Netherlands that is based on clinical guidelines and refers users to private testing services for STI and HIV at home. Tailoring health information has been proven effective in STI testing interventions, by increasing personal relevance and elaboration of the message. The output of includes detailed testing recommendations tailored to the user, concise information and calls-to-action to both clinical providers (general practitioners and public STI clinics) and private testing services that were selected based on quality indicators, price and consumer-friendly communication. is free of charge and anonymous: users do not need to register to receive advice. No IP addresses or other identifiable personal data are collected.

Tailored advice

In total, the questionnaire included around 60 questions and 200 answers connecting to over 1200 different advice pages. The advice questionnaire was manually tailored to ensure that individuals only answer questions that are relevant for them. Users answer around 15-25 predefined questions about their personal characteristics and sexual behaviors before they receive advice. Based on a needs assessment with 12 potential users, additional questions (for instance about symptoms and sex techniques) and information (for example about testing procedures) were added to

Advice chat =

Users can ask their own questions by shifting from the Advice-mode to the Chat-mode. For the Chat-mode, over 20 years of experience in one-on-one counseling via telephone, e-mail and direct message chat about STIs, HIV, testing and prevention were manually translated into structured responses to common questions. If users cannot find the advice or answers they are looking for, refers to an array of online information sources and an anonymous online helpline.

The chatbot software anonymously registers ‘non responses’ to unidentifiable questions, which are continuously monitored to further improve the tool.  Response optimalisation is not yet automated with learning algorithms, because changes in responses first have to validated by a health professional to ensure quality and correctness of the information. Employing machine learning or artificial intelligence that supports Dutch language will be a future step in the iterative improvement of


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