AstraZeneca: Clearing confusion – vaccine effectiveness

Vaxzevria, AstraZeneca's viral vector COVID-19 vaccine, launched a campaign in Asia to generate region-specific, scientifically credible evidence, expose vaccine programme decision makers to evidence, and change the media discussion from antibodies to outcomes.

The problem

An incorrect picture of 'mRNA' COVID-19 vaccines being more effective than 'viral vector' COVID-19 vaccines was forming across APAC.

We readied to overcome a threat to vaccine trust

Earlier this year, Vaxzevria, AstraZeneca's 'viral vector' COVID-19 vaccine, was battling perception issues, with stakeholders holding the misconception that mRNA COVID-19 vaccines were more effective in preventing the virus' most serious outcomes, hospitalisation and death.

What in part fed this misconception, was regular announcements regarding the amount of antibodies that 'mRNA' COVID-19 vaccines could initially trigger, rather than a focus on the key job of the vaccine, long-term...

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