Epidemics and pandemics

Worry: Pandemic mutations in bird flu revealed
Despite the ability of H5N1 avian influenza virus to spread, it cannot be transmitted efficiently from human to human, indicating it is not fully adapted to its new host species, the human; new research, however, reveals mutations in the virus that may result in a pandemic
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Internet crawling helps in tracking infectious disease outbreaks
New Web crawling tool helps identify and locate outbreaks of disease around the world
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Salmonella outbreak investigation intensifies
Hunt continues for the source of the Salmonella outbreak in the U.S.; FDA and CDC still see tomatoes as the cause; this weekend three states in Mexico became the focal point of the search
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Vegetarians not safe from mad cow prions
Infectious prions — thought to be the causative agents in mad cow disease and human vCJD — can survive wastewater decontamination and wind up in fertilizer, potentially contaminating fruit and vegetables
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Extreme weather events may unleash perfect storm of infectious disease
Climatic conditions can alter normal host-pathogen relationships; diseases that are tolerated individually may converge and cause mass die-offs of livestock or wildlife
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Worries about CDC pathogen handling
In a new $214 million infectious disease laboratory at the Center for Disease Control and Prevention in Atlanta, scientists are conducting experiments on bioterror bacteria in a room with a containment door sealed with duct tape
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Environmental report on new Biolab
Following a GAO report which criticized how DHS decided on how research into contagious foreign animal and zoonotic diseases should be conducted, the Science and Technology Directorate of DHS issues a draft environmental impact statement and risk analysis for the six locations being considered for the new Biolab
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Genetically modified mosquitoes to fight malaria
Malaria kills three million people around the arodl each year; current methods of combatting the disease do not work; scientists examine the potential of genetically modifies mosquitoes for stopping the killer disease
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CDC counts 383 salmonella cases from tomatoes
The toll of the U.S. salmonella outbreak continues to rise; tomatoes from sections of Mexico and Florida remain the main suspects as the source of the outbreak
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Investing in biodefense companies, II
Billions of dollars are being spent on finding vaccines and treatments for possible bioterror attacks; investment analyst says that these billions of dollars in government spending notwithstanding, when considering an investment in a company doing R&D in the bioterror field, you should consider its non-terror-related biotechnology efforts, and the quality of its management team
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Universal biosensor would detect disease, bioterror attack, pollution
A consortium of U.K. research institutions, in collaboration with a Chinese University, work on developing a universal biosensor which would help in many types of detection — from home diagnosis of disease to chemical plant monitoring, anti-bioterrorism, and pandemic outbreak
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Why it takes so long to trace a bad tomato
Tomatoes do not carry bar codes, so it is difficult to trace the source of the recent tomato-borne salmonella outbreak; tomatoes coming from Mexico and parts of Florida are prime suspects
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New bird flu vaccine looks promising
Baxter’s cell-based vaccine appears to work better than more traditional egg-based ones; tests show promise at low doses
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Making U.S. food safe, I: FDA not moving fast enough
The recent outbreak of tomatoe-borne salmonella poisoning moved legislators to charge that the FDA has not made good on its promise last year to make food safer for U.S. consumers
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Background: More on tomato-borne salmonella
Recent census of produce outbreaks between 1996 and 2007 counted no fewer than 33 epidemics from Salmonella-contaminated fruits and vegetables; in five of them, tomatoes were the culprit
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