HIV infection can be divided into following different stages:- 1. Acute Primary Infection 2. The Immune System Strikes Back 3. Clinical Latency 4. Clinical Latency. Stage # 1. Acute Primary Infection: Once HIV enters the body, the virus infects a large number of CD4+ T cells and replicates rapidly. During this acute phase of infection, the blood has a high [...]
In this article we will discuss about the meaning and types of infection. Meaning of Infection: Infection can be defined as the process of lodgment and multiplication of a parasitic organism within or on a host. Infection is a common natural event and does not invariably result in disease. In fact, disease is a rare consequence of infection. Whenever, an [...]
In this article we will discuss about Shigella:- 1. Morphology of Shigella 2. Cultural Characteristics of Shigella 3. Pathogenicity 4. Colicin Typing 5. Treatment 6. Prevention and Control. Contents: Morphology of Shigella Cultural Characteristics of Shigella Pathogenicity of Shigella Colicin Typing of Shigella Treatment of Shigella Prevention and Control of Shigella 1. Morphology of Shigella: They are short Gram-negative bacilli, [...]