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We tested serum samples from 253 patients submitted to the Lassa Diagnostic Laboratory during 2006–2008 for IgM to the arthropod-borne and hemorrhagic fever viruses of interest (Table 2). Because of limited amounts of serum, not all samples were tested for antibodies to all viruses. Of the arthropod-borne viruses, the prevalence of DENV antibodies (4.3%) was highest, followed by CHIKV (4.0%). The prevalences of other viruses were [less than] 3.0%; WNV, 2.8%; YFV, 2.5%; and RVFV, 2.0% of patients tested. No antibodies to the tick-borne virus, CCHFV, were found in any samples tested. Antibody prevalence to the hemorrhagic fever viruses, EBOV and MBGV, were 8.6% and 3.6%, respectively.
In some parts of West Africa, such as the rural area in southwestern Guinea near where the outbreak began, there are troubling indications that infections are continuing at relatively low but steady level from week-to-week.
That suggests a simmering, steady-state rate of transmission that is just as troubling as the exponential growth observed in the outbreak as a whole, according to Christopher Dye, the World Health Organization's director of strategy.
"The question we're raising is to put in people's minds that the epidemic might not be eliminated from the human population completely for a very long time," Dye said this week in an interview from Geneva. Unless global intervention begins to kick in soon, "at the moment we see no reason why that steady state will not continue to go on and on," he said.
In 1972, a full four years before the Ebola virus even had a name, Dr. Thomas Cairns was a young doctor doing missionary work in the dense jungles of Zaire — a sprawling central African nation now known as the Democratic Republic of Congo.
"Twelve days later I became acutely ill," Cairns said. "I had a very high fever, intense aching, headache, vomiting, diarrhea, rash. My skin was peeling. I lost hearing in one ear for weeks. My hair turned white. We didn't know what was happening to me."
At the time, Cairns recalled, epidemiologists had fanned out across the region to collect blood samples from the indigenous population. They also took samples from about 50 expatriates working and living in the area. Cairns was included in the sample, and stood out immediately: He was the only one who carried a large amount of antibodies resistant to the Ebola virus
"That's when we knew: I was, in all likelihood, the first non-African survivor of the Ebola virus," he said.
Health officials were so enamored with the level of Ebola antibodies they discovered in his blood that they took samples to store in the CDC freezers in Atlanta, to study and to use to help treat those who may come in contact with the virus in the future. (Over those initial years, Cairns gave several specimens to health workers but his antibody levels eventually lessened as he grew older, making his blood less immune to the disease than it once was.)
if unchecked, represents one of the greatest dangers to our society that has been experienced in a long time;
originally posted by: seabag
a reply to: InverseLookingGlass
This thing is overhyped. With all due respect to the OP, who obviously put in a little research and has a different opinion, this disease is one of the hardest to spread diseases imaginable. There is a lot to be scared of in this world and a million ways to die but.......Ebola is probably not going to be what kills you!!
originally posted by: seabag
this disease is one of the hardest to spread diseases imaginable.