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Yesterday George McGavin was bitten by leeches and today, in episode two of Bug Week, ticks suck on his blood.

George was in Thetford Forest in Norfolk searching for ticks. As he demonstrated, ticks use their hypostome organ to anchor themselves into skin to feed and then expand - this is why ticks are hard to remove. George then went to see Dr. Susan O'Connell, a medic specialising in tick-borne to find out whether he is at risk of catching it. She said that even if George's tick had carried Lyme disease, which is rare, it had not been feeding long enough to transmit - as the tick would need to be attached to George for 24 hours or more.

For more info on ticks and Lyme disease One Show viewer Denise suggests the websites: lymediseaseaction.org.uk and bada-uk.org.

Have you been bitten by a tick? Do ticks make you, er, cross?

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