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Market research software company today released a report of its recent analysis survey on Consumer Preferences for COVID-19 Vaccine.

The study reveals that vaccine-hesitant consumers in the UK and US are most likely influenced by a fully-subsidised vaccine with at least 85% efficacy as opposed to results from a similar Chinese study.

COVID Vaccine-Hesitant Consumers Care About Effectiveness Over Side-Effects - Study’s research, conducted between 31 March and 5 April 2021, takes inspiration from academics Leng et al’s January 2020 report on Individual preferences for COVID-19 vaccination in China, which also found that Chinese respondents are more willing to take the vaccine if it is free and highly effective.

“Countries around the world face similar challenges with vaccine rollouts. We were intrigued by conjoint research from China around factors of vaccine adoption. Our research showed that communicating vaccine effectiveness works well to convince people to take the jab in the West, as it does in the East,” said’s Founder, Nik Samoylov.

Both studies assessed respondents’ vaccine preferences based on several factors, such as effectiveness and accessibility to determine which vaccine characteristics would encourage the highest uptake rates in each country.

The conjoint surveys also presented respondents with choices surrounding risk of side-effects, duration of protection, number of doses required, and number of acquaintances already vaccinated.

About is an online service for pricing and product research using state-of-the-art discrete choice methods (conjoint analysis), Van Westendorp, Gabor-Granger, monadic concept testing, and other techniques. Conjoint analysis is a popular market research methodology which helps to reveal consumers’ preferences by presenting respondents with several product concepts much like in a real-life setting.

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