She has written for a wide range of newspapers and magazines, and she is a vice chair of the Medical Journalists' Association and the public-patient information lead for the Covidence-UK longitudinal study.
By highlighting delays in the implementation of Britain's national bowel cancer screening, she also forced the British government to meet its own deadlines on the tests.
[7][8] She has also worked with a number of charities and edited the MS Lottery of Care report to mark the 60th anniversary of the Multiple Sclerosis Society.
[9] Symons is also a co-investigator of the Covidence-UK longitudinal study investigating the lifestyle factors which might influence the risk of contracting Covid-19, disease severity and vaccine efficacy.
[citation needed] She is vice chair and website editor of the Medical Journalists' Association[11] and a member of the Guild of Health Writers.