the differ

Notes

the different viral infections: influenza, human immunodeficiency virus, respiratory syncytial virus, and hepatitis C. a. Keep in mind that viruses are the most common infectious agents. b. Understand the characteristics of a virus and how they cause a disease. Influenza (RNA Virus) • Example of an RNA virus • Most common respiratory viral infection • Symptoms: low-grade fever, muscle aches, general fatigue, or asymptomatic • Treatment: rest, fluids, palliative care • Prevention: vaccines 🧬 HIV / AIDS (RNA Retrovirus) • AIDS is caused by HIV • Diagnosed with CD4 T cell count < 200 cells/mm³ plus presence of AIDS-defining diseases • Incurable • Treatment: three antiretroviral medications Respiratory Syncytial Virus (RSV) • Causes bronchiolitis and pneumonia • Major cause of acute respiratory disease in children • Treatment: Ribavirin, which inhibits essential nucleic acid formation 🩸 Hepatitis C Virus (HCV) • Targets the liver • Acute stage often asymptomatic; usually progresses to chronic HCV • Possible complications: liver cirrhosis or liver cancer • Liver functions: detoxification, digestion (bile production), metabolism (proteins), storage (glycogen), bilirubin clearance • Chr...