Improving Prison Conditions by Strengthening Infectious Disease Monitoring | 1 Latvia Improving Prison Conditions by Strengthening the Monitoring of HIV, HCV, TB and Harm Reduction Mapping Report - Catalonia (Spain) Authors: Cristina Fernández Bessa, Gemma Nicolás Lazo and Gerard Viader Sauret Report by OSPDH - Observatory of the Penal System and Human Rights (University of Barcelona)