QUESTION: What pathogenic organism causes the disease? ANSWER: Malaria is caused by single-celled organisms, called protozoans, of the genus Plasmodium. Different forms of malaria are caused by different species of Plasmodium. The most severe and deadly form is caused by P. falciparum, which is responsible for 90% of the global deaths from malaria, the majority of these in Africa, and … [Read more...]
What are the strains of malaria?
QUESTION: What are the different strains of malaria? ANSWER: Malaria is caused by small, single-celled parasites called protozoans, and specifically ones of the genus Plasmodium. There are many, many species of Plasmodium, which infect a wide variety of different species, from lizards and birds to rodents, bats and primates. Of all the species of malaria, four main ones infect humans - … [Read more...]
How Many Types of Human Malaria?
QUESTION: How many types of malaria infect humans? ANSWER: There are four main types of malaria which infect humans: Plasmodium falciparum, P. vivax, P. malariae and P. ovale. P. ovale additionally can be split into two sympatric sub-species, P. o. curtisi and P. o. wallikeri. Each of these five kinds has a subtly different life cycle which results in slight variations in symptoms and … [Read more...]
Monkeys Provide Malaria Reservoir for Human Disease in South-East Asia
Monkeys infected with an emerging malaria strain are providing a reservoir for human disease in Southeast Asia, according to recent research. The study confirms that the species has not yet adapted to humans and that monkeys are the main source of infection. Malaria is a potentially deadly disease that kills over a million people each year. The disease is caused by malaria parasites, which are … [Read more...]
Of Macaques and Men
Plasmodium knowlesi —a new challenge in the Roll Back Malaria Program? Mention of malaria often conjures images of infants hospitalized in Africa. Although most deaths from malaria are children under 5 in sub-Saharan Africa, there are many different types of malaria that put over half of the world’s population at risk in subtropical and tropical regions worldwide. There have historically … [Read more...]