Write short notes on
(a) AIDS ; (b) Malaria.
Write short notes on
(a) AIDS ; (b) Malaria.
(a) AIDS - AIDS stands for acquired immuno deficienjcy syndrome. It is a fatal disease. The disease of AIDS is caused by retrovirus (a RNA virus) known as Human immunodeficiency virus (HIV) . AIDS virus attacks white blood cells (WBCs) or lymphocytes of human being and weakens the human body's immunity or self - defence machanism.
Some important symptoms of AIDS are; Swollen lymph nodes, regular fever, sweating at night and weight loss. Its virus also cause severe damage to brain and may lead to loss of memory, ability to speak and of clear thinking.
(B) malaria- malaria is caused bya protozoan parasite plasmodium. this disease spreads through the bite of an insect vector - the female anopheles mosquito which feeds on human blood. Male anopheles mosquito feeds uon plant juice. main symptoms of malaria include headache, nausea, muscular pain and high fever. malarial attack consists of three stages:
(i) Cold stage, feeling of extreme cold and shivers.
(ii) Hot stage, high fever, faster respiriation and heart beat.
(iii) Sweating stage, due to profuse sweating, temperature of the body goes down to normal.
(a) AIDS - AIDS stands for acquired immuno deficienjcy syndrome. It is a fatal disease. The disease of AIDS is caused by retrovirus (a RNA virus) known as Human immunodeficiency virus (HIV) . AIDS virus attacks white blood cells (WBCs) or lymphocytes of human being and weakens the human body's immunity or self - defence machanism.
Some important symptoms of AIDS are; Swollen lymph nodes, regular fever, sweating at night and weight loss. Its virus also cause severe damage to brain and may lead to loss of memory, ability to speak and of clear thinking.
(B) malaria- malaria is caused bya protozoan parasite plasmodium. this disease spreads through the bite of an insect vector - the female anopheles mosquito which feeds on human blood. Male anopheles mosquito feeds uon plant juice. main symptoms of malaria include headache, nausea, muscular pain and high fever. malarial attack consists of three stages:
(i) Cold stage, feeling of extreme cold and shivers.
(ii) Hot stage, high fever, faster respiriation and heart beat.
(iii) Sweating stage, due to profuse sweating, temperature of the body goes down to normal.
