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Non-arteritic anterior ischemic optic neuropathy (NAION), a condition that can cause sudden deterioration in vision, usually in one eye at a time, has been very rarely reported in association with semaglutide in the treatment of type 2 diabetes, weight management...
Guidance for people with symptoms of a respiratory infection including COVID-19, or a positive test result for COVID-19.
Find out about the symptoms of COVID-19, what to do if you or your child has them and when to get medical help.
Idiopathic intracranial hypertension (IIH) has been very rarely reported in patients treated with mesalazine. Following a recent review, warnings for IIH are being added to the product information for all mesalazine products.
MHRA updates product information regarding the very rare risk of non-arteritic anterior ischemic optic neuropathy (NAION) in patients taking semaglutide.
By Julia Vitarello
Public health principles for reducing the spread of respiratory infections, including COVID-19, in the workplace.
Past and current clinical trials into therapeutic and antiviral treatments for COVID-19, how to take part, and which treatments have proven to be effective.
Clinical advice on West Nile virus including symptoms, diagnosis and epidemiology.
Weekly UKHSA report for the 2025/26 season, monitoring respiratory viruses.
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