Chapter 12: Communicable & Infectious Disease Risks

Communicable & Infectious Disease Risks provides a thorough examination of the Human Immunodeficiency Virus (HIV), outlining its progression from initial exposure through a period of clinical latency to the advanced stage of Acquired Immunodeficiency Syndrome (AIDS). The text emphasizes the social and economic challenges associated with the illness, particularly noting how it disproportionately impacts minority communities, young adults, and specific high-risk groups. Essential prevention strategies are discussed, including the use of antiretroviral therapy (ART) to manage viral loads, preexposure prophylaxis (PrEP) for those at high risk, and the importance of accessible testing through methods like the enzyme-linked immunosorbent assay (EIA) and rapid antibody tests. Moving beyond HIV, the chapter analyzes prevalent bacterial sexually transmitted diseases such as chlamydia—the most frequently reported infectious disease—and gonorrhea, which presents a growing public health threat due to increasing antibiotic resistance. It also details the various stages of syphilis, from primary lesions to potentially fatal multisystem complications in the tertiary stage. Viral conditions, including herpes simplex virus (HSV) and human papillomavirus (HPV), are presented as chronic infections requiring persistent management, with a heavy emphasis on the effectiveness of the HPV vaccine in preventing associated cancers. The discussion also covers viral hepatitis, distinguishing the fecal-oral transmission of hepatitis A from the blood-borne risks of hepatitis B and C, identifying the latter as a major cause of chronic liver disease in the United States. Furthermore, the chapter addresses the global burden of tuberculosis (TB), explaining the mechanics of airborne transmission and the necessity of directly observed therapy (DOT) to ensure medication compliance and prevent the rise of multidrug-resistant strains. Nurses are identified as central to the three levels of prevention: engaging in primary efforts like immunization and community education, secondary actions such as screening and contact tracing, and tertiary interventions focused on managing chronic symptoms and implementing standard precautions to maintain safety within the community.