Communicating about vaccines with young adults: Lessons learned from the COVID-19 pandemic and implications for future immunization campaigns
Bibliographic record
Abstract
Canada’s primary COVID-19 vaccination rollout in 2021 was largely successful, however uptake for additional or “booster” doses has steadily waned—especially among young adults (18-to-29-year-olds). To encourage young adults to stay up to date with vaccinations, public health communication must meet the needs of this age group, and two research projects were conducted to identify strategies to achieve this. Because young adults are the primary user group on Instagram, the first research project assessed COVID-19 vaccine communication examples posted on the Instagram accounts of eight key federal actors. The second research project involved a series of interviews with young adults to identify audience needs, preferences, attitudes, and drivers to get vaccinated. Together these projects contribute to a foundational understanding about best practices for communicating about vaccines with young adults and the research findings can be applied to future vaccine communication campaigns.
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.021 | 0.022 |
| Meta-epidemiology (narrow) | 0.001 | 0.000 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.006 | 0.004 |
| Scholarly communication | 0.006 | 0.008 |
| Open science | 0.001 | 0.004 |
| Research integrity | 0.003 | 0.006 |
| Insufficient payload (model declined to judge) | 0.005 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".