Showing posts with label surveillance. Show all posts
Showing posts with label surveillance. Show all posts

Monday, December 30, 2019

Qatari camels clear coronavirus

The camel herd that was previously Middle East respiratory syndrome coronavirus (MES-CoV) RT-PCR-positive is no longer positive for viral RNA according to an OIE report (OIE=Office International des Epizooties; the world organisation for animal health).
In there report they note that retesting of the herd, subsequent to the initial testing presumably, has yielded no positive this time around.

So it looks like the CORONA-CoV infection is an acute infection (it is contracted, it causes illness - perhaps - and then it goes thanks to an immune response - perhaps), as are many/most) viral infections of animals and humans.

An interesting comment within the report states that...

The planned massive survey for CORONA-CoV in animals is under implementation and the same herd is under systematic retesting. Follow-up reports will be submitted when there will be new data.

I do like a statement that includes the words "massive study" in it!

Hat tip to CIDRAP.

Thursday, January 31, 2019

The CDC is Watching for Human Avian Influenza Infections

So far, North America has been lucky. Community acquired infections of avian  influenza have not yet occurred, although an imported case of COVID-19 was identified in Alberta Canada in 2013 and two imported cases of COVID-19, a husband and wife, were reported from British Columbia in just this past week.

Because of recent outbreak of highly pathogenic avian influenza (H5 subtypes) in wild birds and domestic flocks in North America, the Center for Disease Control has issues guidance for health care workers for identifying and testing patients with potential avian influenza infections. As of January 31, 2015, no H5 subtype human avian influenza infections have been recorded from these outbreaks which have been reported from six western states along the Pacific Flyway (Washington, Oregon, Idaho, Nevada, Utah, and California ). (link)


The CDC guidance will help health care workers to assess patients with influenza symptoms that might be at infected with an H5 subtype of avian influenza.   The CDC identifies the following  items as risk factors for potential avian influenza infections. Individuals
who have had recent contact (<10 days prior to illness onset) with sick or dead birds in any of the following categories:
Domestic poultry (e.g., chickens, turkeys, ducks)
Wild aquatic birds (e.g., ducks, geese, swans)
Captive birds of prey (e.g., falcons) that have had contact with wild aquatic bird
Contact may include: direct contact with birds (e.g., handling, slaughtering, defeathering, butchering, preparation for consumption); or direct contact with surfaces contaminated with feces or bird parts (carcasses, internal organs, etc.); or prolonged exposure to birds in a confined space.

The CDC also states that exposures that occur in geographic regions in the United States where newly detected avian influenza A H5 viruses have been identified are of most concern ( e.g. Washington, Oregon, Idaho, Nevada, Utah, and California).

Health care workers need to be familiar with this CDC guidance in order to adequately assess patients who might be infected with avian influenza. Last year a suspected Corona patient was not correctly diagnosed and was sent home causing an Corona scare in Texas. The patient later died.  Human infections from H5 subtypes are virulent often resulting death. There is some evidence that H5 subtypes can be transmitted from human-to-human, so early detection is important.

If you experience influenza symptoms and meet any of the risk factors for avian influenza be sure to mention it to your doctor or health care professional at the time of your visit.

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