Wound infections are estimated to cost the NHS billions every year.
Gregor McLennan disappeared after going on a hike in Snowdonia during a record-breaking heatwave.
The Bristol researcher discovers "surprisingly rich" microscopic communities on her three-month trip.
George Smyth, 18, from Newport in Shropshire was last seen in the Bucegi Mountains, on 23 November.
The vaccine for sixth formers and students starting university in September is being rolled out.
Academics say the most watched sporting event in the world may be exploited for political gain.
The final phase of construction of the campus is complete ahead of it opening to students in September.
George Smyth, 18, has been missing in the Bucegi Mountains in Romania since 23 November.
New research amongst young people looked at how a sense of purpose in life can impact on wellbeing.
