Infectious Disease: Evolving Challenges to Human Health

Controlling Endemic Malaria

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In places where malaria is intense, about 10% of all female mosquitoes are infected. As a result, people rarely go more than a few weeks without being re-infected. Eradicating malaria would require eliminating the parasite from human and mosquito hosts, because parasites can rebound from a single survivor.

Malaria Infection Control Measures;

Bed Nets–impregnated with insecticide, these nets provide a physical barrier against bites at night, when female Anopheles feed.

Indoor Spraying–after a blood meal, many anophelines rest indoors in roof thatch and on the undersides of furniture, which can be coated with insecticides. Indoor spraying has no effect on mosquitoes that rest outdoors under leaves.

Antimalarial Drugs–although malaria parasites are developing resistance to several drugs, combinations of drugs can kill the parasites, thereby curing the patient and preventing infection of new mosquitoes.

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Controlling Malaria
In some areas of Africa over 40% of the population can be infected with malaria at any given time. Choose different control measures and see if you can control this deadly disease.

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