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Articles sur Public health

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A deep injection well used for disposal of fracking wastewater in Kern County, Calif. Citizens of the Planet/Education Images/Universal Images Group via Getty Images

Companies that frack for oil and gas can keep a lot of information secret – but what they disclose shows widespread use of hazardous chemicals

Fracking for oil and gas uses millions of pounds of chemicals, some of which are toxic or carcinogenic. Two researchers summarize what companies have disclosed and call for more transparency.
Avian influenza (‘bird flu’) is a highly transmissible and usually mild disease that affects wild birds such as geese, swans, seagulls, shorebirds, and also domestic birds such as chickens and turkeys. (CDC and NIAID)

Bird flu FAQ: What is avian influenza? How is it transmitted to humans? What are the symptoms? Are there effective treatments and vaccines? Will H5N1 become the next viral pandemic?

Avian influenza — commonly known as ‘bird flu’ — is infecting domestic and wild birds in Canada and around the world.

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