Why is malaria so common in sub Saharan Africa?

Why is malaria so common in Africa south of the Sahara?

It may be surprising that most cases occur on the African continent. Malaria is common in the area south of the Sahara Desert (called sub-Saharan Africa) because the disease spreads almost entirely in poor regions with tropical and subtropical climates. The local weather allows for transmission to occur year round.

Why is malaria most common in Africa?

The long lifespan and strong human-biting habit of the African vector species is the main reason why approximately 90% of the world’s malaria cases are in Africa. Transmission also depends on climatic conditions that may affect the number and survival of mosquitoes, such as rainfall patterns, temperature and humidity.

Where is malaria most common in Africa?

Disease burden

Most were in the WHO African Region, with an estimated 200 million cases, or 92% of global cases. In 2017, five countries accounted for nearly half of all malaria cases worldwide. Four of these were in Africa: Nigeria (25%), the Democratic Republic of the Congo (11%), Mozambique (5%), and Uganda (4%).

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What is the number one cause of death in Africa?

Although HIV is not one of the leading causes of death worldwide, it remains within the top five leading causes of death in Africa.

Distribution of the leading causes of death in Africa in 2019.

Characteristic Distribution of causes of death
HIV/AIDS 5.6%
Ischaemic heart disease 5.5%
Stroke 5.5%

How did malaria Impact Africa?

The economic impact of malaria is estimated to cost Africa $12 billion every year. This figure factors in costs of health care, absenteeism, days lost in education, decreased productivity due to brain damage from cerebral malaria, and loss of investment and tourism.

What are the chances of getting malaria in Africa?

The crude risk for travelers to different regions varied from 1 per 100,000 travelers to Central America and the Caribbean to 357 per 100,000 in central Africa.

How can we prevent malaria in Africa?

The main method of preventing malaria in high risk areas with one or more malaria cases per 1000 inhabitants per year is the use of insecticide-treated bed nets and the spraying of insecticide on the inside walls of houses.

Which countries in Africa do not have malaria?

Algeria became the third country in Africa to be officially certified malaria-free in 2020 after Mauritius (1973) and Morocco (2010).

What country is malaria most common in?

The highest transmission is found in Africa South of the Sahara and in parts of Oceania such as Papua New Guinea. In cooler regions, transmission will be less intense and more seasonal. There, P. vivax might be more prevalent because it is more tolerant of lower ambient temperatures.

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Which African countries are malaria-free?

Certification of malaria elimination, 1955–2021

Country/territory Countries certified malaria-free a,b,c,d,e Countries where malaria never existed or disappeared without specific measures f
Africa
Algeria 2019
Lesotho 2012
Mauritius 1973