Measuring concerns about the COVID-19 vaccine among Japanese internet users through search queries

Uehara, Makoto; Fujita, Sumio; Sato, Nobuyuki; Liew, K. M.; Wakamiya, Shoko; Aramaki, Eiji

doi:10.1038/s41598-022-18307-4

Cited by 9 publications

(4 citation statements)

References 13 publications

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“…Ferawati et al [ 32 ] explored how Twitter reported vaccine-related side effects by comparing the side effects of 2 types of messenger RNA vaccines developed by Pfizer and Moderna in Japan and Indonesia, respectively. Gao et al [ 33 ] examined COVID-19 concerns in each Japanese prefecture, and Uehara et al [ 34 ] investigated the attitudes toward vaccines or vaccination during the COVID-19 pandemic in different Japanese prefectures using search queries from Yahoo! JAPAN.…”

Section: Introductionmentioning

confidence: 99%

Exploring the Impact of the COVID-19 Pandemic on Twitter in Japan: Qualitative Analysis of Disrupted Plans and Consequences

Kamba,

She,

Ferawati

et al. 2024

JMIR Infodemiology

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Background Despite being a pandemic, the impact of the spread of COVID-19 extends beyond public health, influencing areas such as the economy, education, work style, and social relationships. Research studies that document public opinions and estimate the long-term potential impact after the pandemic can be of value to the field. Objective This study aims to uncover and track concerns in Japan throughout the COVID-19 pandemic by analyzing Japanese individuals’ self-disclosure of disruptions to their life plans on social media. This approach offers alternative evidence for identifying concerns that may require further attention for individuals living in Japan. Methods We extracted 300,778 tweets using the query phrase Corona-no-sei (“due to COVID-19,” “because of COVID-19,” or “considering COVID-19”), enabling us to identify the activities and life plans disrupted by the pandemic. The correlation between the number of tweets and COVID-19 cases was analyzed, along with an examination of frequently co-occurring words. Results The top 20 nouns, verbs, and noun plus verb pairs co-occurring with Corona no-sei were extracted. The top 5 keywords were graduation ceremony, cancel, school, work, and event. The top 5 verbs were disappear, go, rest, can go, and end. Our findings indicate that education emerged as the top concern when the Japanese government announced the first state of emergency. We also observed a sudden surge in anxiety about material shortages such as toilet paper. As the pandemic persisted and more states of emergency were declared, we noticed a shift toward long-term concerns, including careers, social relationships, and education. Conclusions Our study incorporated machine learning techniques for disease monitoring through the use of tweet data, allowing the identification of underlying concerns (eg, disrupted education and work conditions) throughout the 3 stages of Japanese government emergency announcements. The comparison with COVID-19 case numbers provides valuable insights into the short- and long-term societal impacts, emphasizing the importance of considering citizens’ perspectives in policy-making and supporting those affected by the pandemic, particularly in the context of Japanese government decision-making.

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Section: Introductionmentioning

confidence: 99%

Exploring the Impact of the COVID-19 Pandemic on Twitter in Japan: Qualitative Analysis of Disrupted Plans and Consequences

Kamba,

She,

Ferawati

et al. 2024

JMIR Infodemiology

Self Cite

View full text Add to dashboard Cite

show abstract

“…Although the efficacy, safety, and immunogenicity of the COVID-19 and booster vaccines are established [5] , [6] , a substantial percentage of people worldwide have concerns [7] , hesitation [8] , and fear [9] . Moreover, concerns regarding adverse events may become barriers and decrease the COVID-19 vaccine/booster shot rate in young adults since the younger generation is more apprehensive and hesitant.…”

Section: Introductionmentioning

confidence: 99%

Adverse events of COVID-19 vaccination during 2021–2022 suppressed by breakfast consumption and favorable sleeping habit among Japanese university students

Tetsuka,

Suzuki,

Suzuki

et al. 2024

Vaccine: X

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“…Although the e cacy, safety, and immunogenicity of the COVID-19 vaccines and booster vaccines are established [5,6] , a substantial percentage of people have concerns [7] , hesitation [8] , and fear [9] worldwide. As the younger generation is more concerned and hesitant, concerns about adverse events may become barriers and decrease the COVID-19 vaccine/booster shot rate in young adults.…”

Section: Introductionmentioning

confidence: 99%

Adverse events of COVID-19 vaccination among Japanese University Students suppressed by breakfast consumption and favorable sleeping habits

Tetsuka,

Suzuki,

Suzuki

et al. 2023

Preprint

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Despite the evidence of effectiveness of vaccines in preventing SARS-CoV-2 infection-associated serious illness, hospitalization, and death, there is some hesitation towards COVID-19 vaccination in young adults because of concerns regarding adverse events. A retrospective cohort study was conducted in Gifu University students receiving the mRNA-1273 vaccine and boosters to elucidate the real incidence of adverse events and factors that prevent them. We examined the adverse events and identified potential risk factors through a self-administered questionnaire reporting their physical condition after COVID-19 vaccination. A higher number of vaccinations, female sex, and low body mass index were significantly associated with the occurrence of adverse events on the day of or after receiving the COVID-19 vaccine. Regular breakfast consumption was significantly associated with a decreased incidence of post-vaccination itching, abdominal pain, and diarrhea. Sufficient sleep duration was significantly associated with a decreased incidence of post-vaccination abdominal pain and diarrhea. Focal/systemic adverse events were highly frequent among university students after receiving the COVID-19 vaccine, with no life-threatening cases or hospitalizations. A higher number of vaccinations, female sex, and lower body mass index were associated with an increased incidence of adverse events. Contrastingly, regular breakfast and sufficient sleep were associated with fewer adverse events.

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Measuring concerns about the COVID-19 vaccine among Japanese internet users through search queries

Cited by 9 publications

References 13 publications

Exploring the Impact of the COVID-19 Pandemic on Twitter in Japan: Qualitative Analysis of Disrupted Plans and Consequences

Exploring the Impact of the COVID-19 Pandemic on Twitter in Japan: Qualitative Analysis of Disrupted Plans and Consequences

Adverse events of COVID-19 vaccination during 2021–2022 suppressed by breakfast consumption and favorable sleeping habit among Japanese university students

Adverse events of COVID-19 vaccination among Japanese University Students suppressed by breakfast consumption and favorable sleeping habits

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