Sentiment Analysis as a Local Public Health Tool

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Nursinem Handan ŞAHAN
2018 yılında Yıldız Teknik Üniversitesi Harita Mühendisliği bölümünü onur öğrencisi olarak tamamladı. Lisans eğitimi sırasında Erasmus+ programıyla Varşova Teknoloji Üniversitesinde öğrenim gördü. Halihazırda öğrenimine İstanbul Teknik Üniversitesi Coğrafi Bilgi Teknolojileri bölümünde devam etmekte.

Using community insights to combat COVID-19 vaccine hesitancy!

Vaccine hesitancy is a central challenge for COVID-19 recovery. Despite the growing access to vaccines for residents across the country, vaccination levels have steadily decreased in recent weeks. Vaccine hesitancy is driven by issues of convenience (i.e., how easy or difficult it is to get a vaccine) and of confidence in the effectiveness and safety of vaccines; both factors are often driven by local distribution activities and online discourse, which can be influenced by sources of misinformation. As early as February 2020, the World Health Organization declared the COVID-19 crisis an ‘infodemic’, highlighting the need to improve accurate messaging and build resident trust in public health systems in order to combat the pandemic. Importantly, localized messaging and distribution campaigns have been identified as effective routes towards increasing vaccine uptake. Whether governments are making it simple and exciting to get residents vaccinated at local bars, or partnering with trusted and community-based organizations on roll-out and messaging campaigns, this report outlines a range of opportunities where sentiment data can serve as a valuable input in helping local policymakers assess and improve their roll-out and messaging strategies to drive resident interest and combat misinformation.

Sentiment analysis is an AI-driven tool that examines organic discourse on social media platforms to generate insights based on resident interactions such as comments, likes, and shares. Along with online surveys and other sources of data, sentiment analysis gives cities insights into their residents’ needs and helps them understand critical issues that shape residents’ attitudes and behaviors. Sentiment analysis can contribute to local COVID-19 responses by identifying key challenges in the design and evaluation of effective public health communication strategies.

Highlights From The 18-City Study:

This report draws from an AI-driven sentiment analysis for 18 participating cities and counties between February 1 and March 15, 2021 and from resident surveys collected between March 18 and March 31, 2021. These data show that:

  1. Interest in the vaccine, measured by the prominence of the vaccine in organic discourse related to COVID-19, varied widely across cities (from 28% to 74% of captured discourse); across the whole cohort, positive sentiment—favorable or supportive resident feedback about the vaccine—exceeded negative sentiment.
  2. Cities with higher levels of resident interactions with City-run social media accounts had lower levels of negative vaccine sentiment among residents. While interactions with official communications, from local government social media accounts or government-issued statements in local media accounted for only 19% of online discourse, these interactions typically had a positive effect on the overall discourse.
  3. At the time of the survey, 60% of respondents had not been vaccinated. Of this group, 28% said they would never take the vaccine, 46% were either unsure or wanted to wait, and 26% said they would take it as soon as possible.
  4. Misinformation, including misleading and inaccurate facts about risk of infection, vaccine safety, etc., is a key driver of vaccine hesitancy.
  5. Key drivers of positive sentiment around the vaccine include convenience of the process, the possibility of engaging in normal activities, protecting the health of family members, and direct prompts by friends, relatives, and/or personal doctors.
  6. Across the cohort, 25% of vaccinated respondents reported difficulty with the process of receiving a vaccine, which drove negative sentiment among this population.

The findings from this study point to three priority areas to consider when designing and evaluating public health communication strategies: visibility, relatability, and equity.

Source: (Brennen et al., 2020),(Centers for Disease Control, 2021; LaFraniere and Weiland, 2021) Sentiment Analysis as a Local Public Health Tool

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