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Dial-COVID: telephone symptom surveillance among refugees in Uganda
Exploring innovative approaches to collecting COVID-19 symptom and exposure data and sharing public health information with displaced populations in remote locations.
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Principal Investigator: Kelli O’Laughlin, MD, MPH (University of Washington)
Research Snapshot: Reaching refugees during the COVID-19 pandemic
Exploring innovative approaches to collecting COVID-19 symptom and exposure data and sharing public health information with displaced populations in remote locations.
The purpose of this research, and of the Dial-COVID interactive voice response (IVR) telephone surveillance and mitigation tool, was to help provide data to health-implementing partners and to the Ugandan Ministry of Health regarding clusters of people with symptoms consistent with COVID-19 disease. It also aimed to help link individuals to information and services.
The “Dial-COVID” telephone tool enabled collection and dissemination of COVID-19 information among refugee populations in Uganda. Interactive Voice Response (IVR) surveys with pre-recorded messages in nine languages overcame language and literacy barriers, did not require smartphone or internet access, and eliminated the need for in-person interaction. Its effectiveness at reaching previously hard-to-reach groups and adaptability may make IVR an appealing method for dynamic public health emergencies or outbreaks that require a rapid response.
Dial-COVID was advertised in refugee settlements across Uganda for participants to call into toll-free. Participants received an IVR survey screening for COVID-19 symptoms/exposures and public health messages. A subset of participants were invited for COVID-19 testing, longitudinal surveys and qualitative interviews.
Dr. Timothy R. Muwonge
Site Principal Investigator
With the diversity of health programing and the need to survey as well as mitigate infectious diseases among refugee populations, the Dial-COVID tool comes in handy for surveillance and messaging on COVID-19 to individuals living in hard-to-reach areas within this setting. The Dial-COVID tool can be replicated to address other public health concerns in the future.
Kelli O’Laughlin, MD, MPH
University of Washington
We anticipate that the Dial-COVID interactive voice response platform will serve as an effective symptom tracker and information dissemination tool. Dial-COVID could help with characterizing the burden of COVID-19 among refugee populations in Uganda and may assist with mitigation of disease through timely and focused public health messaging.
What were the key findings?
Dial-COVID showed high acceptability/uptake. During 15,436 calls, participants including a high proportion of refugees and people with limited education, interacted with the platform in all nine languages.
Severe muscle pain and unusual fatigue were associated with a positive COVID-19 test after controlling for demographic characteristics. Heterogeneity of symptoms between COVID-19 variants challenged the development of a predictive algorithm based on the symptom survey.
Only ~60% of surveyed call-in participants were willing to accept a free COVID-19 vaccine with acceptance decreasing over time among participants < 35 years old.
Participants were willing to protect themselves and their families from contracting COVID-19, but resource scarcity, high housing density and necessity to leave the home to attend to survival needs influenced adoption of recommended prevention strategies.
The COVID-19 pandemic and related policies negatively impacted income generation, food security, and social interactions in refugee settlements. Incidents of child marriage and teenage pregnancies were reported following school closures.
What does this mean for policymakers and practitioners?
IVR platforms can be used to rapidly collect and disseminate information in many languages and in difficult to reach places. The Dial-COVID tool effectively reaches refugees and groups with limited education that may be excluded when using traditional dissemination methods.
The limited infrastructure required and adaptability make IVR an appealing method for dynamic public health emergencies that require a rapid response. As the number of languages for which translation and recording is required increases, this flexibility decreases.
The Dial-COVID tool, or similar approaches, hold potential to be deployed for other applications such as routine surveillance as well as during future outbreaks of other transmissible diseases.
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