witness history spoke to professor nigel dimmock, who worked at the unit. set—up. they had come to catch a cold. it's a crazy thing, really, but people did. let's have you back on the bed. so this is the virus, then, and we are going to put it into your nose. it did give us the ability to study a virus in its natural host, and this is still a very rare thing. the common cold unit was set up by the medical research council after the second world war to try and discover the cause of the common cold, because the number of working hours lost through people catching colds and taking time off was enormous in terms of the productivity of the nation as a whole. the common cold unit advertised for people to come there in a voluntary status. they were only paid pocket money and rail fare and their keep while they were there, and they lived at salisbury for about ten days. archive: these bright, | young people are starting a holiday at government expense. so they would come and be divided up into two sets — those which were infected, and those which got a placebo. so