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EPIDEMICS
Air transmission of Ebola virus a concern
by Staff Writers
Ottawa (UPI) Nov 16, 2012


disclaimer: image is for illustration purposes only

Experiments have shown the deadliest form of the Ebola virus could be transmitted by air between species, Canadian researchers are reporting.

Scientists from the Canadian Food Inspection Agency and the country's Public Health Agency have demonstrated the virus can be transmitted from pigs to monkeys without any direct contact between them.

Pigs carrying the virus were housed in pens with the monkeys close by but separated by a wire barrier, and after eight days some of the monkeys showed clinical signs typical of Ebola, they said.

The researchers said they believe the monkeys became infected by inhaling large aerosol droplets coming from the pigs' respiratory tracts.

"What we suspect is happening is large droplets -- they can stay in the air, but not long, [and] they don't go far," Gary Kobinger from the National Microbiology Laboratory at the Public Health Agency of Canada told BBC News. "But they can be absorbed in the airway and this is how the infection starts, and this is what we think, because we saw a lot of evidence in the lungs of the non-human primates that the virus got in that way."

More work needs to be done to clarify the role of wild and domestic pigs in possibly spreading the virus to humans, Kobinger said, noting such knowledge could help contain the virus.

"If they do play a role in human outbreaks it would be a very easy point to intervene" he said. "It would be easier to vaccinate pigs against Ebola than humans."

'Superbugs' found in Canadian hotel rooms
Ottawa (UPI) Nov 16, 2012 - An examination at six hotel chains in Canada found antibiotic-resistant "superbug" bacteria in tested rooms, the Canadian Broadcasting Corp. reported.

Microbiologists Keith Warriner, who conducted the tests for the CBC's "Marketplace" program, said the discovery of clostridium difficile and methicillin-resistant staphylococcus aureus (MRSA) was "alarming."

"It was a surprise at the start, but amazing that all these hotels had superbugs," he said. "When you get ... the antibiotic-resistant bacteria we're finding, that's not scare-mongering, that's real. These are real pathogens that can cause real illnesses."

The U.S. Centers for Disease Control and Prevention says MRSA kills over 15,000 Americans each year.

Warriner examined rooms at EconoLodge, Super 8, Best Western, Holiday Inn, Fairmont and Sheraton rooms in Vancouver, Toronto and Montreal.

He was initially surprised by the presence of the superbugs in so many hotel rooms, he said.

"But if you think about lack of sanitation, multiple people coming in every day, it wasn't surprising in that respect."

Hotel chains reacted to the "Marketplace" broadcast.

"Seeing it on camera suggests that we need to revisit our housekeeping practices, specifically at these hotels," Tim Oldfield, EconoLodge's managing director of franchise performance said.

The findings, he said, didn't meet "my expectation of the standards we set as an organization."

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Epidemics on Earth - Bird Flu, HIV/AIDS, Ebola






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