Infection fighters. Hepatitis C--some types are worse than others.
D018791:CD4 Lymphocyte Count; D005838:Genotype; D015658:HIV Infections / Q000150:complications; D016174:Hepacivirus / Q000145:classification / Q000235:genetics; D006526:Hepatitis C / Q000145:classification* / Q000150:complications / Q000473:pathology; D006801:Humans