Global estimates of death from malaria are between 700,000 and 2,000,000 people annually, with 75% of the dead being children in Africa. What aspects of the parasite’s life cycle make it so hard to eradicate

The life cycle of the malaria parasite, Plasmodium, makes it difficult to eradicate for several reasons:

1. Complex Life Cycle: The malaria parasite has a complex life cycle that involves multiple stages both in the human host and the mosquito vector. This complexity makes it difficult to target all stages of the parasite at once.

2. Mosquito Transmission: The parasite is transmitted through the bite of an infected female Anopheles mosquito. This makes eradication difficult because it involves controlling a mosquito population, which can be challenging due to environmental factors and resistance to insecticides.

3. Drug Resistance: The malaria parasite has shown a remarkable ability to develop resistance to antimalarial drugs, which makes treatment and eradication efforts more difficult.

4. Dormant Stage: In some types of malaria (like P. vivax and P. ovale), the parasite can enter a dormant stage in the liver of the human host and reactivate months or even years later. This makes it hard to completely clear the parasite from the body.

5. Genetic Diversity: There is a high genetic diversity among Plasmodium species, which allows the parasite to adapt to different environments and hosts, and to develop resistance to drugs.

6. Asymptomatic Carriers: Some people can carry the parasite without showing symptoms, serving as a reservoir for transmission.

7. Socio-economic Factors: Finally, socio-economic factors such as lack of access to healthcare, poor living conditions, and lack of education also contribute to the difficulty in eradicating malaria.