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Home / Archives for acquired immunity

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

Am I more susceptible to malaria?

May 20, 2012 By Malaria Q&A Leave a Comment

QUESTION I contracted common malaria, vivax?, when i was 20 yrs old from long visit to Papua NewGuinea, 1970. Returned to USA and was treated with chloro, primaquine drugs and really no problems since treatment. Now going to Thailand for week, Chiang Mai and region. If bitten by local malarial mosq. am i more likely to recur? And should I certainly choose prophylaxis? thnx ANSWER If … [Read more...]

Filed Under: Malaria Q&A Tagged With: acquired immunity, atovaquone-proguanil, Chiang Mai, Chloroquine, chloroquine resistance, Doxycycline, Lariam, Malarone, Mefloquine, mefloquine resistance, Papua New Guinea, Plasmodium Vivax, Primaquine, relapse, Thailand

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

Malaria In Africa

March 11, 2012 By Malaria Q&A Leave a Comment

QUESTION What factors cause Africans to get this disease? ANSWER The highest number of malaria cases every year occur in Africa, not because of anything specifically due to the people living there (in fact, they may be better protected against malaria than most—I will come onto this later) but because malaria transmission is very high in many parts of sub-Saharan Africa and … [Read more...]

Filed Under: Malaria Q&A Tagged With: acquired immunity, Africa, Duffy antigen, Duffy negative, indoor residual spraying, long-lasting insecticide treated bednets, malaria in pregnancy, Malaria No More, Malaria Prevention, Malaria transmission, Roll Back Malaria, sickle cell anaemia, Sub-Saharan Africa, US Agency for International Development, World Health Organisation

Can malaria parasites pass to children through breast milk?

August 15, 2011 By Malaria Q&A Leave a Comment

QUESTION: Can breast milk transfer malaria parasites from a mother to the child? ANSWER: No. Malaria parasites cannot be transferred via breast milk. However, there is evidence that some antimalarial drugs can pass through breast milk, with unknown effects on the infant; as such, it is not recommended that breast feeding mothers take certain antimalarial drugs. Studies in rats have … [Read more...]

Filed Under: Malaria Q&A Tagged With: acquired immunity, antimalarial medication, breast feeding, long-lasting insecticide treated bednets, malaria antibodies, Malaria transmission

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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…

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