The costs of malaria – to individuals, families, communities, nations – are enormous. Malaria occurs mostly in poor, tropical and subtropical areas of the world. Africa is the most affected due to a combination of factors: A very efficient mosquito (Anopheles gambiae complex) is responsible for high transmission.
Where is malaria most common in Africa?
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.
How did Malaria start in Africa?
Humans may have originally caught P. falciparum from gorillas. P. vivax, another malarial Plasmodium species among the six that infect humans, also likely originated in African gorillas and chimpanzees.
Is malaria common in Africa?
Most malaria cases and deaths occur in sub-Saharan Africa. However, the WHO regions of South-East Asia, Eastern Mediterranean, Western Pacific, and the Americas are also at risk. Some population groups are at considerably higher risk of contracting malaria, and developing severe disease, than others.
Why is malaria so common in Nigeria?
The geographic location of Nigeria makes suitable climate for malaria transmission throughout the country and it is all year round in most part of the country. The most prevalent malaria parasite species is Plasmodium falciparum (>95%) and it is responsible for most forms of the severe disease [1,2].
What is the number one cause of death in Africa?
Leading 10 causes of death in Africa in 2019 (in deaths per 100,000 population)
|Characteristic||Deaths per 100,000 population|
|Ischaemic heart disease||429|
How many humans have died from malaria in history?
Over millennia, its victims have included Neolithic dwellers, early Chinese and Greeks, princes and paupers. In the 20th century alone, malaria claimed between 150 million and 300 million lives, accounting for 2 to 5 percent of all deaths (Carter and Mendis, 2002).
How long has malaria been a problem in Africa?
115 years of malaria in Africa.
Who brought malaria to Africa?
Researchers believe that malaria coevolved with humans in Africa. For its spread across the world, we can blame colonialism. It is thought that malaria began to travel out of Africa about 3 000 years ago, after which its spread was hastened by wars and the import of human labour.
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.
Is malaria the biggest killer?
Malaria kills up to two million people per year, infecting 300 to 500 million more. The only infectious diseases that kill more people are tuberculosis and HIV/AIDS.
Does stress cause malaria?
Malaria is a serious public health problem in most countries of the tropics. Oxidative stress is related to the severity of malaria, oxidative stress in malaria may originate from several sources including intracellular parasitized erythrocytes and extra-erythrocytes as a result of haemolysis and host response.
What are the effects of malaria in Africa?
Once seen as a consequence of poverty, malaria is now regarded as one of its causes. Experts say malaria slows economic growth in Africa by up to 1.3 percent per year. Rural and poor people are especially at risk because they are least likely to have the means to prevent and treat malaria.
Is malaria a virus?
A: Malaria is not caused by a virus or bacteria. Malaria is caused by a parasite known as Plasmodium, which is normally spread through infected mosquitoes.
Is malaria curable or not?
In general, malaria is a curable disease if diagnosed and treated promptly and correctly. All the clinical symptoms associated with malaria are caused by the asexual erythrocytic or blood stage parasites.
How bad is malaria in Nigeria?
Nigeria suffers the world’s greatest malaria burden, with approximately 51 million cases and 207,000 deaths reported annually (approximately 30 % of the total malaria burden in Africa), while 97 % of the total population (approximately 173 million) is at risk of infection .