How well do COVID vaccines work in the real world?

By David Henry, Professor of Evidence-Based Practice, Institute for Evidence-Based Healthcare, Bond University
Paul Glasziou, Professor of Medicine, Bond University

Many Australians will be weighing up whether to be vaccinated with the AstraZeneca vaccine, which is widely available, or to wait for Pfizer later in the year.

There are many factors to consider. One is how well these COVID-19 vaccines work in the “real world” of those getting vaccines now.

Real-world data data can tell us how well vaccines protect against currently circulating variants — including the…

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