Pharmaceutical preparations for treating viral infections caused by a virus having a polymerase gene conserved in the pyrophosphate binding site, namely HIV (human immunodeficiency virus), HSV (herpes simplex virus), CMV (cytomegalovirus), HPV (human papilloma virus), West Nile Virus, and Influenza Virus, including Influenza Virus Type A

pharmaceutical preparations for the treatment of cytomegalovirus