Essay on Anthrax! Meaning of Anthrax: Anthrax is zoonotic disease. It is primarily an infectious disease of domestic animals and is transmitted to man when he comes in contact with them. Bacillus anthracis is the causal agent of anthrax. It is Gram-positive bacillus arranged in chains or in pairs or singly (Fig 42.1). In the blood and tissue, it exhibits [...]
In this article we will discuss about Non-Pathogenic Microorganisms:- 1. Groups of Non-Pathogenic Microorganisms 2. Activities of Non-Pathogenic Microorganisms. Groups of Non-Pathogenic Microorganisms: Microorganisms may be divided into two groups — according to their activities: (a) The useful, and (b) The harmful. The first group the harmless, non-pathogenic microorganisms to man live mostly in the environment. They are called as [...]
In this article we will discuss about the Pyrexia of Unknown Origin (PUO):- 1. Causes of PUO 2. Infection of PUO 3. Laboratory Diagnosis. Causes of PUO: The most common causes of prolonged PUO are: (a) Chronic infections; (b) Tumours, (c) Connective tissue disorders; (d) Granulomatous diseases (e) Drug hypersensitivity reactions (Table 94.1): Infection of PUO: Aetiology: As a cause [...]