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"The virus is probably more stable in cold temperature, so it hangs in the air much longer," Dr. Palese told Ivanhoe.
Allowing it to spread easier. Here's how -- when we cough or sneeze, microscopic droplets of water and the virus enter the air. Dry, cold conditions dry out the droplets, helping the virus linger in the air. The dry air also dries out nasal passages, which helps the virus stick.
"Cold dry air going over your nasal mucosa gets cracks in our airways and that allows virus to get in more easily," Anice Lowen, researcher at Mt. Sinai School of Medicine told Ivanhoe.
Influenza has long been considered a seasonal virus. Factors including indoor crowding during cold weather, seasonal fluctuations in host immune responses, relative humidity, temperature, and UV radiation have all been suggested to account for this phenomenon, but none of these hypotheses had previously been tested directly.
The researchers tested the effects of temperature and relative humidity on infected and naive guinea pigs. The study found that low relative humidities of 20%-30% induced the rapid spread of the virus, with the opposite effect at 80% or above. Also, results showed that the virus spread more easily at 5 °C than at 20 °C, with no transmission at 30 °C.
The data implicates that low relative humidities produced by indoor heating and winter temperatures favor the spread of influenza. This study should serve as the basis for understanding the seasonality of other viral infections. / Citation: Lowen AC, Mubareka S, Steel J, Palese P (2007) Influenza virus transmission is dependent on relative humidity and temperature. PLoS Pathog 3(10): e151. doi:10.1371/journal.ppat.0030151
Its the Dew Point! (or open a window!)
(either cumulus cloud height, or calculate from coldwater* / temperature relationship [good ed idea] or use 200 dollar weather tool )
Putting this to use, it's easy to figure out the dew point, and thus the expected comfort level, directly from the relative humidity and the temperature: for instance, if it is 30 °C outside, and the relative humidity is 75%, then the dew point temperature will be about 25 °C. It's also easy to see how much could be gained from evaporative cooling - in this case, at most 5 degrees. "Further, by adjusting the relationship a little to account for the effects of temperature, it is also simple to use the relative humidity to compute the altitude of cumulus cloud bases without a calculator to a good approximation, usually within about 10%", says Lawrence
BUT CONSIDER this from my colleague Bob Melamede
Chief Science Officer for CSI Dr. Melamede believes the potential for cannabinoids that naturally prevent excessive inflammatory immune responses is enormous.
He stated, "Based upon recent discoveries regarding the role that endocannabinoid system plays in maintaining human health, we may have a unique solution to the looming threat posed by deadly influenza strains that we believe, if implemented, could save millions of lives."
World Health Organization has just declared a swine flu pandemic - raising its pandemic warning from phase 5 to 6.
This is the first global flu epidemic in 41 years. There have been outbreaks in Asia, the Middle East and Europe.Dr. Robert J. Melamede, Director and Chief Science Officer for Cannibis Science Inc. reports, "Research into use of whole cannabis extracts and multi-cannabinoid compounds has provided the scientific rationale for medical marijuana's efficacy in treating some of the most troubling diseases mankind now faces, including infectious diseases such as the flu and HIV, autoimmune diseases such as ALS (Lou Gehrig's Disease), multiple sclerosis, arthritis, and diabetes, neurological conditions such as Alzheimer's, stroke and brain injury, as well as numerous forms of cancer."
Dr. Melamede went on to say, "The high lethality of some strains of flu can be attributed to the excessive inflammatory response driven by Tumor Necrosis Factor (TNF). Endocannabinoids are nature's way of controlling TNF activity. Phytocannabinoids can mimic the natural endocannabinoids to prevent excessive inflammatory immune responses."
Cannabis Science Inc., President & CEO, Steven W. Kubby sent a letter to Homeland Security Administration Secretary Janet Napolitano. "We have the science and preliminary anecdotal results confirming the anti-inflammatory properties of our new lozenges and indicating they may present an effective and non-toxic treatment for minimizing the symptoms and harm from influenza infections. Our lozenges appear to down-regulate the body's excessive inflammatory response to the influenza virus, which could reduce the deadly consequences of an infection into something that is more like a common cold. Because of my cancer and diminished auto-immune functions, even common influenza is a deadly threat, and I've had incredible symptomatic relief with the lozenge."
Chief Science Officer for CSI Dr. Melamede believes the potential for cannabinoids that naturally prevent excessive inflammatory immune responses is enormous. He stated, "Based upon recent discoveries regarding the role that endocannabinoid system plays in maintaining human health, we may have a unique solution to the looming threat posed by deadly influenza strains that we believe, if implemented, could save millions of lives."
Dr. Robert J. Melamede, Director and Chief Science Officer, stated, "The influenza virus has a unique genetic make up that, in combination with its replicative machinery, has an extraordinary capacity to mutate. As a result, the high lethality of some strains can be attributed to the resulting adult respiratory distress syndrome (ARDS). ARDS is caused by an excessive immune inflammatory response driven by Tumor Necrosis Factor (TNF) that leads to the death of respiratory epithelial cells and resulting organ failure. Endocannabinoids are nature's way of controlling TNF activity. Existing peer reviewed publications have shown that phytocannabinoids can prevent this cell death by mimicking the endocannabinoids that nature has selected to prevent excessive inflammatory immune responses."
"This sounds very promising, but, of course the political hurdles are daunting." / Rose Field, Pittsburgh Gardening Scene Examiner
