Writer Michael Rosenwald called on Steven Welty to identify a strange smell in his home. Welty knows a lot about how air moves, and he knows about the stuff in moving air that can make us sick and die. From Popular Science: [more inside]
New Ebola vaccine shows 100% success rate in clinical trial. Today the World Health Organization has announced that the rVSV-ZEBOV vaccine had a 100% success rate in preventing onset of the disease if administered within 10 days of exposure (n=4,000). In response to the current outbreak in West Africa that has afflicted over 27,000 and killed over 11,000, this collaborative effort led by the WHO pushed the vaccine through a process that usually takes more than a decade in just 12 months. Official paper from The Lancet here (pdf).
Ebola and the Construction of Fear by Karen Sternheimer (Everyday Sociology)
"Sociologist Barry Glassner, author of The Culture of Fear: Why Americans are Afraid of the Wrong Things, explains how misguided panics are not just benign opportunities to prevent something horrible, but can divert attention and public funds away from more likely threats. He notes:[more inside]Panic-driven public spending generates over the long term a pathology akin to one found in drug addicts. The money and attention we fritter away on our compulsions, the less we have available for our real needs, which consequently grow larger (p. xvii).
There's been an ebola outbreak in Guinea, Liberia, and Sierra Leone. With 122 cases so far, this is the worst outbreak since 2007's 264-case outbreak. The worst outbreak was 2000-2001's 425 cases. What makes this one different is the way it has spread so widely. [more inside]
The Saudi Arabian government has been tight-lipped about the spread of Middle East respiratory syndrome (MERS), a disease first discovered in 2012 that has "killed more than half of those who contracted it", "responding slowly to requests for information and preventing outside researchers from publishing their findings about the syndrome. [more inside]
291 diseases and injuries + 67 risk factors + 1,160 non-fatal complications = 650 million estimates of how we age, sicken, and die
As humans live longer, what ails us isn't necessarily what kills us: five data visualizations of how we age, sicken, and die. Causes of death by age, sex, region, and year. Heat map of leading causes and risks by region. Changes in leading causes and risks between 1990 and 2010. Healthy years lost to disability vs. life expectancy in 1990 and 2010. Uncertainties of causes and risks. From the team for the massive Institute for Health Metrics and Evaluation Global Burden of Diseases, Injuries, and Risk Factors Study 2010. [more inside]
Drug-resistant and "extensively" resistant strains make containment and treatment of tuberculosis ever more difficult. Fortunately, researchers based in Switzerland have (re-)discovered a naturally-made antibiotic called pyridomycin, which will kill isoniazid-resistant M. tuberculosis bacteria.
In this week’s medical research update, being mildly overweight might not be so bad for you. According to one summary, “overweight people have a lower death rate because they are much less likely to die from a grab bag of diseases that includes Alzheimer’s and Parkinson’s, infections and lung disease. And that lower risk is not counteracted by increased risks of dying from any other disease, including cancer, diabetes or heart disease.” And so what is meant by “overweight” needs to be reconsidered. But last week’s bulletin, discussed here, suggested that longer life spans are associated with lower weights, and the primary recommendation was to “Be as lean as possible without becoming underweight.” Allright: Epidemiological studies are hard to interpret and some people question the science. Newspapers are oriented to breaking news and treat medical reports as such, relying on he said/she said quotes from experts instead of providing integrative analysis. So who exactly is going to put together the pieces? What about NIH, your tax dollar at work? Or some blogs?
The 2005 outbreak of Corrupted Blood in World of Warcraft may provide epidemiologists with a new platform for studying the spread of disease.
By using these games as an untapped experimental framework, we may be able to gain deeper insight into the incredible complexity of infectious disease epidemiology in social groups.It comes as no surprise that the "stupid factor" plays a role in susceptibility to viral marketing, but it may also be a factor in the spread of real life germs.
Is H5N1 flu transitioning to a human-to-human illness? Recent reports of familial clusters suggest that it may be, though there are certainly other possible explanations, such as families living in environments contaminated by virus-laden bird feces. On the other hand, it would seem that epidemiologists are growing increasingly interested in the possibility that these clusters are indicative of human-to-human transmissions. Further, the virus may be inching towards being asymptomatic, which isn't as good as it sounds: if people can carry the virus and transmit it to others without showing symptoms, it will be very difficult to impossible to tell who is a vector and highly difficult to control any emerging epidemic.
Physicians and scientists around the world even go as far as to state that smoking leads to premature death. Don’t we all know someone who smokes constantly, even heavily, yet is still living — or has lived — to the mature age of eighty, ninety, and older? Furthermore, the MDs and PhDs state that smoking causes cancer and emphysema. If this diagnosis were definitive, wouldn’t these afflictions affect all smokers equally, rather than the small percentage that it actually does affect?
Is circumcision an AIDS weapon? To cut or not to cut? Does circumcision prevent the transmission of HIV? It was deemed "An acceptable strategy for HIV prevention" in Bostwana and a study looking at the magnitude of females who get infected with HIV/AIDS/STDs through circumcision