Ticks that spread encephalitis have been found in Britain, say researchers. Encephalitis can cause confused thinking, seizures, and problems with senses or movement, but is only rarely serious.
Public Health England (PHE) says it has confirmed cases of tick-borne encephalitis virus in ticks from two parts of England - Thetford Forest and an area on the Hampshire-Dorset border.
PHE says the risk to people is still "very low".
It is monitoring the situation to check how common the infected ticks may be.
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