Diseases Diseases

what you must know about malaria disease

Published at 01/13/2012 10:50:27


Malaria is caused by a protozoan Plasmodium. The infective stage of the parasite is transmitted through the bite of the female Anopheles mosquito along with its saliva. The incubation period is about three weeks. The parasite grows and multiplies in the red blood cells and destroys them during the process. Chill and high fever are repeated on the third or fourth day. When the mosquito bites a patient, the parasite is sucked in along with the blood. It grows and multiplies within the mosquito. Various drugs such as quinine, paludrin, comoquin etc. are useful in treatment. The disease is common in hot and humid countries.


There are three kinds of mosquitoes commonly found. These are, the malaria disease causing mosquito Anopheles, the filaria mosquito Culex and the dengue mosquito Aedes. Although the life-history of all types of mosquitoes shows the same basic stages i.e . eggs larvae, pupae and adults. Minor differences instructure and behabaviour are found in these stages. The adults of Anopheles and Culex can be recognized in their sitting posture. Anopheles always rests with its straight body making an angle against the surface, while Culex keeps its body more or less parallel. The anopheles lays its eggs singly and horizontally. Each eggs have small air spaces on either side makeing them buoyant. The larva of anopheles floats parallel to the surface of water, secondly the respiratory tubes if anopheles are short. 

Only female mosquitoes can suck blood. They have sharp pointed mouth-parts (proboscis) for puncturing the skin. The males have blunt and somewhat spread-out mouth parts by which they can suck only exposed fluids from drains or plant surface.  

 Anopheles spreads malaria in man, monkeys, birds etc. The malaria germ is a protozoan Plasmodium. Culex spreads elephantiasis, filariasis caused by a Wuchereria. A third mosquito Aedes spreads yellow fever and dengue both caused by their viruses. The germs of these diseases are spread when the mosquitoes bite to suck blood. With this blood, the mosquitoes receive germs of the particular disease, which grow and multiply within their body. When such infected mosquitoes bite a healthy person, these germs are introduced into the body through the saliva. Before sucking blood the mosquito first injects its saliva into the skin, which contains a substance that prevents clotting of blood to facilitate suction.


Mosquitoes breed in warm humid weather especially in the rainy season when enough ponds and puddles are available with stagnant water. Mosquitoes can breed in small quantities of water as in old discarded cans and vessels filled with rain water.

Several steps are recommended to destroy mosquitoes in different stages:

Spraying - Adult mosquitoes must be destroyed by spraying DDT and other insecticides in dwelling places. Spraying on ponds and marshy places kills the life-history stages.

Elimination of breeding places - Breeding places should be destroyed. Small ponds and puddles should be filled up. 

Spraying on stagnant water - Kerosene or some other greasy oil should be poured over the water to make a thin film on the surface. The oil kills the larvae and pupae when they come to breathe on the surface.

Biological control - Certain fishes such as Gambusia should be introduced in the ponds. They selectively devour mosquito larvae.

Tips and comments

Control measures include destruction of the mosquito at all stages and to avoid mosquito bite use mosquito nets or repellants.


Most Recent Articles

  • Ways to stop tropical diseases
    The diseases that are prevalent in or unique to tropical or sub tropical regions are called as the tropical diseases. These are less prevalent in temperate countries. That is due to the cold...
  • How To Protect Yourself From Emerging Infectious Disease
    Many people are not aware of how serious infectious diseases can be. Some people are not even aware of the fact that these infectious diseases can be morbid and end in a tragic death. So if ...
  • Preventative Measures For Sexually Transmitted Deasease
    There are many preventive measures that one can take to avoid getting a sexually transmitted deasease. Most of the deasease are transmitted through sex but not all of them. The biggest group...
  • Information About Mermaids
    Mermaid syndrome is a congenital disorder. A fetus develops this disease when it is still in the mother's womb. This syndrome is quite rare and only one baby out of 80,000 babies gets this. ...
  • Tips on how to take care of immunocompromised family member
    An immunocompromised person is someone who lacks the ability to immune against the infectious disease; or in simple words it is a person who cannot resist the seasonal infectious diseases th...
  • How To Protect Yourself From Coccidiosis
    Coccidiosis is considered to be one of the most fatal protozoan diseases in the world. This disease has gained so much ground because it shows mild symptoms and disappear or they appear with...
  • How To Prevent Atrophy Diseases
    Disease belonging to any class of the diseases can be prevented only by proper care and by strictly following the precautionary measures advised by the physician or doctor. Most of the disea...
  • How To Treat Scrapies in Sheep And Goats
    Scrapie is a terminal, degenerative disease that affects the central nervous system of sheep and goats. Scrapie belongs to the transmissible spongiform encephalopathies family of diseases. T...
  • How To Find Books About Diseases
    If you want to know more about the different common diseases that can occur in daily life then you will be happy to know that there are books that can tell you more about it. Books have alwa...
  • How To Prevent Imha
    Your pets too can acquire disease like you. Some of these diseases may be those common ones or those that are serious in nature. Like people, dogs also have their own immune system. Our immu...
  • What Are The Causes Of Alcoholic Diseases
    If you are an alcohol drinker then you must have heard about the many things people say about alcohol and how it affects your body. You must have heard or read about the many health issues t...
  • What Are The Common Conditions Affecting The Bloodstream
    In our generation today, where sedentary living is common, presents a real concern over our health. With the advent of fast food, we expose ourselves to the danger of not eating nutrit...
  • How To Protect Yourself From Shingles Diseases
    Shingles or herpes zoster is a devastating come back of chickenpox caused by the varicella zoster virus or VZV. Once the person has had chickenpox, VZV stays in the body.  It does not c...
  • What Deseases Are Caused By Low Vitamin Intake
    People who have low vitamin intake may cause often deseases and low immune system. Vitamins and minerals are usually comes from the food we eat such as green leafy vegetables, fruits an...
  • Health And Fitness Diseases Of Digestive System
     It is common knowledge that for our body to work properly and effectively it needs the much needed nutrients and nourishments. For us to be able to get our body properly nourished, you...