Examples of occupational diseases with their control and prevention! Example # 1. Pneumoconiosis: Dust within the size range 0.5 to 3 microns is a health hazard, producing after a variable period of exposure, a lung disease known as pneumoconiosis, which may gradually cripple a man by reducing his working capacity due to lung fibrosis and other complications. The hazardous effects [...]
In this article we will discuss about the methods and strategies applied for controlling the following infectious diseases: 1. Malaria 2. Tuberculosis 3. AIDS (HIV) 3. Cholera 4. Poliomyelitis 5. Viral Hepatitis 6. Lymphatic Filariasis 7. Leishmaniasis. How to Control Malaria? Malaria is a protozoan disease caused by infection with parasites of the genus Plasmodium and transmitted to man by [...]
Learn about the comparison between the three rusts of wheat. Comparison # Black Rust (P. Graminis): i. Stems are most seriously attacked, followed by leaf sheaths, leaves and 'ears', in decreasing order. First noticed in plains in March-April. ii. Uredosori rust-red, large and elongated which coalesce to form continuous pustules. The overlying epidermis breaks irregularly. iii. Uredospores oval with four [...]