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The Ebola virus closely resembles several bird viruses, researchers have found. They say the findings suggest birds may be able to spread the deadly virus to humans.
Ebola has killed several hundred people in central Africa since it was discovered in 1976. During outbreaks, the hemorrhagic fever can kill 50 to 90 per cent of infected patients, according to the World Health Organization.
Researchers at Purdue University in Indiana have found the outer protein shell of Ebola has a biochemical structure similar to several viruses carried by birds.
"We knew these viruses were inwardly similar, and now we see their outer similarity as well," said Purdue biology Prof. David Sanders in a release.
"While bird transmission of Ebola is by no means certain, the resemblance among all these viruses should encourage health officials to be on guard for it," he said.
The findings bolster the case that Ebola and the bird viruses share a common ancestor.
originally posted by: soficrow
a reply to: MarkJS
I remember your posts and think there's merit. Thing is, researchers say they checked, and insects do not transmit Ebola. ....However, reminds me of some prion research where scientists found "filth flies" picked up infectious prions on their sticky bits and transmitted them to human fibroblasts.
Ebola's Deadly Jump From Animal to Animal
Ebola may be present in more animals than previously thought, according to researchers studying the deadly virus, which has already been detected in chimpanzees, gorillas, fruit bats, monkeys, antelopes, porcupines, rodents, dogs, pigs and humans.
….Sanders and his team found that the way Ebola infects human cells is nearly identical -- both structurally and biochemically -- to the way that similar viruses enter bird cells. This suggests that the proteins of the virus had a comparatively recent ancestor.
"It is therefore possible that Ebola was at one time associated with a bird host and may even be so today," Sanders said, adding that the bird must hail from Central Africa. That is where the virus was first detected in 1976 and where outbreaks usually occur.
Even plants and insects could have played some role in the evolution of the virus, as Thomas Monath of the Harvard School of Public Health has proposed. Monath postulated that a nonpathogenic virus in insects and/or plants might have mutated, giving rise to Ebola in bats.
….Sanders and his colleagues continue to study birds and their possible role in Ebola's evolution and transmission. They are also attempting to determine what other animals might be added to the already long list of species that the virus and related viruses could impact.
Little bunny Foo FooWent hopping through the forestScooping up the field miceAnd bopping them on the headDown came the Good Fairy, and she said"Little bunny Foo FooI don't want to see youScooping up the field miceAnd bopping them on the head."
I'll give you 3 chances,
And if you don't behave, I will turn you into a goon!"
And the next day...
Little bunny Foo FooWent hopping through the forestScooping up the field miceAnd bopping them on the headDown came the Good Fairy, and she said"Little bunny Foo FooI don't want to see youScooping up the field miceAnd 'bopping them on the head."
I'll give you 2 more chances,
And if you don't behave, I will turn you into a goon!"
And the next day...
Little bunny Foo FooWent hopping through the forestScooping up the field miceAnd bopping them on the headDown came the Good Fairy, and she said"Little bunny Foo FooI don't want to see youScooping up the field miceAnd bopping them on the head."
I'll give you 1 more chance,
And if you don't behave, I will turn you into a goon!"
And the next day...
Little bunny Foo FooWent hopping through the forestScooping up the field miceAnd bopping them on the headDown came the Good Fairy, and she said"Little bunny Foo FooI don't wanna to see youScooping up the field miceAnd bopping them on the head."
I gave you three chances and you didn't behave so....POOF. She turned him into a Goon.