The University of Limerick (UL) has issued an STI warning to its students.
Their health centre says there has been an outbreak of Gonorrhoea and Chlamydia on the campus.
An e-mail has been sent to all students explaining the potential dangers.
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It says the diseases can spread through unprotected sex and may not have any symptoms.
It is asking students who have had unprotected sex, or those with concerns to contact the Student Health Centre or their GP.
UL says its health centre - which is a strictly confidential service - can provide investigations and treatment on site.