UK health warning as Brits told to check three things before an autumn walkThe UK Health Security Agency (UKHSA) has shared importance guidance on how to stay safe from ticks, which can be dangerousView 3 Images The UKHSA has issued a warning to people going on walks this autumn (Image: Getty)Brits have been advised to take three precautionary measures before embarking on an autumn walk this year due to a significant health threat. The UK Health Security Agency (UKHSA) has issued guidance on protecting yourself from ticks. They are becoming increasingly common in areas of the UK, primarily due to growing deer populations. ‌While feeding, they can transmit viruses and infections that cause illness, with Lyme disease being the most common. "Look out for a spreading bullseye rash, which is a common symptom of Lyme disease three to 30 days after being bitten," it said.