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Duration of Malaria Symptoms

August 2, 2012 By Malaria Q&A Leave a Comment

QUESTION If untreated how long will a person suffer symptoms caused by Malaria? ANSWER The answer to that depends a lot on what type of malaria they have as well as their own immune status, and particularly if they have been infected with malaria before. So, for example, P. falciparum is the most severe and deadly kind of malaria, and without treatment, many people who do not have … [Read more...]

Filed Under: Malaria Q&A Tagged With: acquired immunity, chronic malaria, duration, immunity, mortality, Plasmodium Falciparum, Plasmodium malariae, severe malaria, symptoms

Malaria Hosts

June 5, 2012 By Malaria Q&A Leave a Comment

QUESTION Which are malaria hosts and how does malaria have an effect on one of them? ANSWER The parasite which causes malaria (called Plasmodium) requires two different hosts—a vertebrate intermediate host, such as a human, and an insect definitive host, also known as the vector. For the types of malaria which infect humans and other mammals, the vector is always a mosquito of the … [Read more...]

Filed Under: Malaria Q&A Tagged With: Anopheles, behavior, birds, blood meal, host effect, immunity, infectious dose, Macaques, Malaria transmission, mammals, mosquitoes, Plasmodium, Plasmodium Falciparum, reptiles, sickness, susceptibility, symptoms

Persistent Antibodies to Malaria?

April 13, 2012 By Malaria Q&A 2 Comments

QUESTION I had malaria as child, more than 30 years ago. It was successfully treated with no relapse. I have since travelled to malaria- endemic countries, but the last time was over 3 years ago. No symptoms. I recently donated blood and routine screening has detected malaria antibodies. How long do the antibodies persist? ANSWER Based on your experience, I would say at least three years! … [Read more...]

Filed Under: Malaria Q&A Tagged With: acquired immunity, antibodies, Bednets, immune system, immunity, infection, Malaria Prevention, Malaria transmission, Screening, serological tests

Pregnant Women and Malaria

February 9, 2012 By Malaria Q&A Leave a Comment

QUESTION Why are pregnant women and children at the highest risk of getting malaria? ANSWER The reason why pregnant women and children are at greater risk of contracting malaria is due to their reduced levels of immunity. Children living in malarial areas have less immunity than adults because they have had less exposure to malaria, and so their immune systems have not had a chance to … [Read more...]

Filed Under: Malaria Q&A Tagged With: antigens, immunity, long-lasting insecticide treated bednets, Malaria and Pregnancy, Malaria Control, malaria susceptibility, placenta

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WWARN Corner

About WWARN

The WorldWide Antimalarial Resistance Network (WWARN) generates innovative resources and reliable evidence to inform the malaria community on the factors affecting the efficacy of antimalarial medicines. Learn more…

  • Fighting Malaria Requires Protecting the Effectiveness of Antimalarial Medicines
  • Data Sharing at IDDO
  • Evidence to inform equitable dosing in very young and malnourished children

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