1Diapositiva 12

Apuntes

[Diapositiva 1] Infectious Pathology 1 [Diapositiva 2] Learning tasks At the end of this session, students are expected to be able to: Explain pathogenesis of infectious agents. Categorize infectious agents. Explain bacterial infectious diseases. Explain fungal infectious diseases. Explain viral infectious diseases. Explain protozoans infectious diseases. Explain helminthes infectious diseases. 2 [Diapositiva 3] Introduction Infectious diseases remain an important health worldwide despite the availability and use of effective vaccines and antibiotics. Infectious diseases are important causes of death to: Elderly. People with the acquired immunodeficiency syndrome (AIDS). Persons with chronic diseases. Patients receiving immunosuppressive drugs. 3 [Diapositiva 4] Introduction cont… In developing countries, unsanitary living conditions and malnutrition contribute to a massive burden of infectious diseases. The most common victims are children with respiratory and diarrheal infections. A pathogen can establish infection if it possesses virulence factors that overcome normal host defenses or if the host defenses are compromised. 4 [Diapositiva 5] Components of infectious disea...