Program Note: Posted below is the latest article from Dr. Nathan Wolfe, a virus hunter who believes he has discovered how humans first contracted Malaria. One of the world's deadliest diseases, Malaria claims the lives of more than 1 million people a year, most of whom are children. Dr. Sanjay Gupta will have a full report on the study and Dr. Wolfe will join us on AC360° tonight at 10p ET.
Dr. Nathan D. Wolfe et al.
Global Viral Forecasting Initiative
The distinguished anthropologist Frank B. Livingstone conjectured that P. falciparum may have been acquired by a transfer to humans of a chimpanzee parasite. The plausibility of Livingstone’s hypothesis was based on the supposition that, as humans developed increasingly larger agricultural societies, they encroached upon the dwindling forest habitats of species such as the chimpanzee, and so there may have been repeated opportunities for horizontal transfer.
Today, human encroachment into the last forest habitats has further extended, leading to a higher risk of transfer of new pathogens, including new malaria parasites. Our results confirm Livingstone’s conjecture and, moreover, suggest that the world’s extant populations of P. falciparum derive from a single transfer of P. reichenowi from chimpanzees to humans.
How and when did the host transfer occur? A hypothesis proposed in the past was that the ancestors of P. falciparum would have been transferred from another host to humans as our Neolithic ancestors transitioned from hunter-gatherers to agriculturalists some 10,000 years ago. This proposal was based on anthropological information about the history of our species, but also on the estimated age of hemoglobin mutants that render humans resistant to malaria infection.
| victor |
August 3rd, 2009 10:48 pm ET coming from africa myself, i beg to differ that the origin of malaria is chimpanzee. this is a lie and that propanganda must, i do know what ulterior motives are behind this so called finding but i know that it is not correct. a brand of mosquitos give malaria; the mosquito that i know give malaria have never in their short life time ever seen a chimpanzee so i do not know coming from that bogus story. |
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| Cesar |
August 3rd, 2009 10:48 pm ET Hello: Thanks Dr Albarracin |
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| victor |
August 3rd, 2009 10:53 pm ET coming from africa myself, i beg to differ that the origin of malaria is from chimpanzee. this is a lie and that propanganda must stop, i do not know what ulterior motives are behind this so called findings but i do know that it is finding not correct. a particular brand of mosquitos give malaria; the mosquito that i know gave me malaria have never in their short life span ever seen a chimpanzee so i do not know where they are coming from that bogus story. |
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| Sabrina In Los Angeles |
August 3rd, 2009 11:12 pm ET This is also how the Native Americans were introduced to European diseases as well. T heir territory was encroached upon and the new contact to unexposed diseases killed them in large numbers because they didn't have immunity. |
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| Herm |
August 3rd, 2009 11:13 pm ET There has been alot of discussion about the use of artemisinin and other plant compounds in the treatment of Malaria. The success rate of these Chinese remedies seems to be good. Is there anything viable behind these efforts? |
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| Kolenekeo C. Darwin Kaeo |
August 3rd, 2009 11:51 pm ET My Comment to Dr. Nathan Wolfe, |
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| Joy |
August 3rd, 2009 11:55 pm ET Hello, I enjoyed the coverage on malaria. My husband is a native African, and my son has Thalasemia minor. His nephew also has cicle cell trait. Please tell me if these two blood disorders is a way to guard those who have it against malaria? Thanks in advance for your reply, Sincerely, Mom |
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| Aline Ikuzwe |
August 4th, 2009 12:02 am ET Thanks to everyone at AC 360 who put together this segment of the show about one of the worlds deadliest diseases, malaria. My father died of malaria when I was 15. I am originally from Rwanda,Africa. I moved here 8 years ago with my family.I am thankful that i do not have to worry about getting malaria in America. God Bless Anderson Cooper and the staff. |
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| Richard J Gilmour-Smith M.D. |
August 4th, 2009 2:08 am ET I was interested to see this item on CNN today. I am not sure how the postulated epidemiology of this protozoan infection will help find a vaccine though. (Malaria is not caused by a virus) The female anchor of this program seemed to be blissfully unaware that there are already tests going ahead on a vaccine. I would suggest that she contact the Walter & Eliza Hall Institute of Medical Research in Melbourne, Australia for further information on this. |
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