ENH 220 Lecture Notes - Lecture 5: Anencephaly, Phenylketonuria, Abdominal Pain
Document Summary
Learning objectives: explain mode of transmission and control of communicable disease, describe herpes infection. Effects on sexual partners, fetus, newborn infant: describe hiv. Clinical manifestations, test results, methods of prevention: describe sexually transmitted diseases. Communicable diseases: communicable disease: disease transmitted from person to person, endemic: communicable disease in which a small number of cases are continually present in the population, epidemic: communicable disease concurrently affecting large numbers of people in a population. Methods of transmission: communicable disease perpetuates with continuous transmission of infectious agent from person to person by either direct or indirect methods, direct transmission. Methods of control: must break transmission to eradicate or control disease. To reduce number of susceptible persons in the population. Disease eventually dies out due to lack of susceptible hosts. Smallpox and poliomyelitis have been eliminated due to widespread immunization. To protect persons traveling to a geographic area where a disease is endemic. Primary methods of control when immunization is not available.