Journal of a Cosmic Anthropologist

The volunteer service, which is available in the south-east of England, offers a free out-of-hours service to a number of NHS hospitals and can be asked to carry anything urgently needed from baby milk to blood products and X-ray results.

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Steve said his two most unusual jobs had been getting a rabies vaccine for a hospital in Milton Keynes and getting frozen urine to a London ward for next-day testing.

All Serv volunteers are unpaid, receive no expenses whatsoever and give up a few nights throughout a month to be on call to respond to requests from hospitals.

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The group is said to have begun after a motorcyclist had a serious accident and needed a transfusion. A friend volunteered to fetch the blood from the nearest hospital that held his blood type and Serv was born.