Jana Spilkova, Dagmar Dzúrova, Michal Pitonak
Perception of neighborhood environment and health risk behaviors in Prague's teenagers: a pilot study in a post-communist city
International journal of health geographics
transfusion therapy indispensable form treatment important element public health system due origin bloods clinical use associated various risks may cause adverse reactions events progress quality safety blood components eliminated numerous risks especially infectious origin however risks cannot predicted others cannot always prevented globalisation climate change constantly favour spread infectious agents epidemiology plays central role ensuring safety transfusion treatment continuous surveillance timely identification risks development routine additional tests measures risk mitigation quantitative discipline based research methods epidemiology method reasoning relies generation testing hypotheses utilises scientific resources particularly field blood donation blood transfusion thus many applications main focus falls transfusiontransmissible infections environmental occupational diseases injuries disabilities death causes large practice epidemiology relies systematic approach measurement disease frequencies surveillance key element involving continuously gathering analysing evaluating data regarding diseases morbidity mortality disseminating conclusions analyses relevant competent authorities way action taken disease prevention control surveillance systems also provide important tool risk assessment method assess characterise critical parameters functionality equipment systems processes using scientific data order estimate magnitude health effect derives decisions policy makers epidemiological surveillance particularly incidence adverse reactions adverse events associated blood transfusion national international levels demonstrated importance multidisciplinary cooperation blood public health services