Human Immunodeficiency Virus (HIV) Infection in Infants and Children By Geoffrey A Weinberg, MD, Golisano Children's Hospital Reviewed / Revised Mar 2023 View Patient Education Epidemiology Transmission of HIV Classification Symptoms and Signs Diagnosis Treatment Transition to Adult Care Prognosis Prevention Key Points More Information Topic Resources Oral Candidiasis Due to HIV Immunologic Categories (HIV.. Considerations for Use of... Neonatal Antiretroviral Managemen... Antiretroviral Dosing for... Human immunodeficiency virus (HIV) infection is caused by the retrovirus HIV-1 (and less commonly by the related retrovirus HIV-2).