An influenza vaccine was tested on a voluntary group of young female student nurses. Of the 95 individuals who received the vaccine, 3 fell ill, and of the 48 individuals who received a placebo, 8 fell ill with influenza during the follow-up period. Moderate or marked discomfort after the "vaccination" was reported by 27% of those who received vaccine and by 24% of those who received placebo. Calculate the relative risk of contracting influenza