RESUMEN
A retrospective data analysis for sero-prevalence of antibodies to HIV, HBV and syphilis was carried out during the period 3 notrd September 2003 to 3rd June 2004 in 627 apparently healthy Nepalese males aged 17 to 48 years and association of the diseases with age group and blood group were analyzed. The study showed the prevalence of HIV, HBV and syphilis being 1.6%, 2.7% and 0.6% respectively. Analysis of blood group showed that 97.76% of total male population having Rhesus positive blood. Among them, O "positive" was the most common blood group with 31.9% followed by A "positive", B "positive" and AB "positive" respectively. The analysis of relationship showed a tendency of high affinity of those diseases in the subjects with O "positive" blood group. However, no real association of those infections was found with the blood group (HIV: X2=0.902, P=0.99; HBsAg: X2=1.212, P=0.99; RPR: X2=3.975, P=0.789).