Science

Is one dose of vaccine enough if you’ve already had COVID-19?

Peer-reviewed: This work was reviewed and scrutinised by relevant independent experts.

Experimental study: At least one thing in the experiment was changed to see if it had an impact on the subjects (often people or animals) – eg: changing the amount of time mice spend on an exercise wheel to find out what impact it has on weight loss.

People: This is a study based on research using people.

Cells: This is a study based on research in micro-organisms, cells, tissue, organs or non-human embryos.

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