Search results
Found 2835 matches for
The Oxford Vaccine Group, part of University of Oxford, gave 99 volunteers a drink laced with live Salmonella Typhi bacteria a month after vaccinating them. Between 40% and 50% of the volunteers for the trial were students, Healthcare professionals were allowed to take part if they were not in patient-facing jobs or if they were willing to take around 3-4 weeks off work to be infected