Essays on malaria

These sporozoites are stored in the salivary glands and are once again injected into the human host by the mosquito to repeat the parasitic life cycle, and thus increasing the number of malaria infectious cases Wirth, Finally, the drugs must be cheap and have a relatively extended shelf life Nwaka and Hudson, Globally, an estimated 3.

Renal failure is a feature of blackwater fever, where hemoglobin from lysed red blood cells leaks into the urine Trampuz et al. Cerebral malaria is a medical emergency and even with the best of Essays on malaria there is a substantial mortality rate.

Another unique treatment of malaria is the use of the herb Artemisia annua. The swollen liver cells actually burst discharging the merozoite forms of the parasite to circulation and this is Essays on malaria the symptoms of the infection start to become apparent.

The patient usually feels ill and has headache, fatigue, muscle pains and vague abdominal discomfort.

465 Words Essay for Students on Malaria

Here, the Plasmodium feed on hemoglobin and reproduce again by asexual reproduction. With the exception of Plasmodia Malariae which may affect other primates, all parasites of malaria have only one host, Homo sapiens.

Malaria prevention among people, who travel, can be performed with chemotherapy, which suppresses the stage of malaria infection in the blood, thus preventing disease progression.

People infected malaria have several symptoms including fever, chills, headaches, weakness, and an enlarged spleen Herman, One main reason finding a cure for malaria is so hard is that different strains in different parts of the world require different drugs, all of which soon lose their effectiveness as the parasite evolves resistance to them Limited Imagination, The epidemiological situation of malaria is worsening with the spread of drug resistance in the parasite and insecticide resistance in the vector.

Splenomegaly enlarged spleensevere headache, cerebral ischemia, hepatomegaly enlarged liverhypoglycemia, and hemoglobinuria with renal failure may occur. An ideal vaccine against malarial infection should therefore induce immune responses against every stage of the life cycle.

The presentation may include fever, shivering, arthralgia joint painvomiting, hemolytic anemia, jaundice, hemoglobinuria, retinal damage, Beare et al.

The classic symptom of malaria is cyclical occurrence of sudden coldness followed by rigor and then fever and sweating lasting about two hours or more, occurring every two days in P.

Several drugs used to treat the disease have been around for centuries. Major problems also exist when ignorant tourists to Africa transfer the parasite to non malarious areas Graham, Medications can also be used for prevention of malaria.

Essay on Malaria

Those infected with Plasmodium falciparum experience symptoms after about twenty-four hours, those infected with Plasmodium vivax and Plasmodium ovale produce symptoms after a forty-eight hour interval, and after seventy-two hours Plasmodium malariae begin causing fever and chills Cann, It breeds in sunlit pools, puddles, borrow pits and rice fields.

The Anopheles vector is the link between man and the malaria parasite. It is vital to monitor malaria trends to see if malaria control campaigns are Essays on malaria effective, and to make improvements. This widespread and uncontrolled use of DDT raised concerns in the s amongst environmentalists who described possible catastrophic consequences for both the environment and humans leading to the ban of DDT use in the s Weissmann, Recent studies suggest that this percentage might even be higher because of the contribution of malaria as indirect cause of death Alonso et al.

Cerebral malaria encephalopathy specifically related to P. As far as indoor insecticide spraying is concerned, bis 4-chlorophenyl -1,1,1-trichloroethane better known as DDT remains the most powerful and successful pesticide to date and is responsible for the eradication of malaria from the United States and Europe.

However, resistance to the conventional drugs is increasing and is a major cause for worry. The other important species of the A gambiae complex, A arabiensis has similar breeding and biting habits to A gambiae s. Once the diagnosis of malaria has been made on the basis of a positive blood smear or strong clinical suspicion, then treatment should be started without delay.

Malaria parasites are transmitted to humans by the bite of infected female mosquitoes of more than 30 anopheline species. The amount of time for symptoms to appear differs depending on the form of the parasite. Novel antimalarials must be orally bioavailable, as the diseased individuals will most probably not have access to facilities such as hospitals and clinics.

Essay: Malaria

The parasites causing malaria are highly specific, with man as the only host and mosquitoes as the only vector. The trouble remains that quinine is expensive to harvest, is extremely hard to synthesize, and fails to prevent relapses Limited Imagination, Humans migrate, however, and over time the disease has slowly spread throughout the tropics.

If this were the only factor, scientist would have no problem containing the disease. Coleman tested the effect of 8-aminoquinolines on the sexual development of P.

The zygotes differentiate into ookinetes that subsequently cross the midgut and develop into oocysts from which sporozoites are released. Not only is the disease specific, but the parasites are too, with only 60 of species of female Anopheles mosquitoes as vectors.

About three billion people are at risk of infection in countries.Malaria parasites have been with us since the beginning of time, and fossils of mosquitoes up to thirty million years old show that malaria's vector has existed. Malaria Research Paper essays Malaria is a disease caused by a parasite that lives both in mosquitoes and humans (9).

Malaria lives in tropical and sub-tropical areas such as Southeast Asia, the. The diagnosis and treatment of malaria's severe form has become an important matter. The microscopic diagnosis of malaria requires skill, experience, and. DDT & Malaria: Observation and Background - Malaria is a a terrible and sometimes lethal disease caused by a parasite which feed on human and bite them (1).

Malaria affects the health and wealth of nations and people in every part of the world.

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Malaria is a very serious, Essays Related to Malaria. /5(4). Malaria is one of the major Published by Experts Share Your fresh-air-purifiers.com is the home of thousands of essays published Words Essay for Students on Malaria.

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