Malaria is an infectious disease caused by the protoctist, Plasmodium. As part of its lifecycle, Plasmodium infects human red blood cells. Researchers can compare haemoglobin from the red blood cells of a healthy person with haemoglobin from a person with malaria. Throughout the world, most deaths from malaria are caused by P. vivax and P. falciparum. Name one other species of Plasmodium that causes malaria. Plasmodium ...................................................................

Biology

IGCSE&ALevel

CAIE

Exam No：9700_w24_qp_22 Year：2024 Question No：5(a)

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Knowledge points:

10.1.1 state that infectious diseases are caused by pathogens and are transmissible

10.1.2.1 cholera – caused by the bacterium Vibrio cholerae

10.1.2.2 malaria – caused by the protoctists Plasmodium falciparum, Plasmodium malariae, Plasmodium ovale and Plasmodium vivax

10.1.2.3 tuberculosis (TB) – caused by the bacteria Mycobacterium tuberculosis and Mycobacterium bovis

10.1.2.4 HIV/AIDS – caused by the human immunodeficiency virus (HIV)

10.1.3 explain how cholera, malaria, TB and HIV are transmitted

10.1.4 discuss the biological, social and economic factors that need to be considered in the prevention and control of cholera, malaria, TB and HIV (details of the life cycle of the malarial parasite are not expected)

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Knowledge points:

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