The university adopted a new approach this year to try to avoid using language that evoked unpleasant associations.
So far, in the two days the vaccine has been offered, both set records for uptake. Yesterday 692 staff members received the vaccine.
Microbiology researchers had been involved in promoting the programme for the first time.
Virologist Dr Matloob Husain said the success of any campaign rested on education.
''There is a lot of misinformation out there about vaccines and vaccination.''
Promotional material focused on answering simple questions about the vaccine, and did not include certain words or show pictures of needles.