With regard to biological risk, those caused by the Aids virus HIV, hepatitis B and C HBV and HCV are the most concerning infections.
Delante del riesgo biológico, las infecciones más preocupantes son aquellas causadas por los virus del Sida HIV, de las hepatitis B y C HBV y HCV.
Diante do risco biológico, as infecções mais preocupantes são aquelas causadas pelos vírus da AIDS HIV, das hepatites B e C HBV e HCV.