How easy would it be to make a pandemic flu vaccine against H5N1?
While H5N1 bird flu doesn’t appear to pose an imminent threat to humans, structures are already in place to make vaccines against it as a precaution.
Linda Geddes is a British science journalist and author. She is currently a science correspondent at The Guardian in London, and was previously a staff writer and editor at New Scientist magazine. She has a degree in cell biology.