Even now, weeks after the suspect cantaloupes were recalled, the Centers for Disease Control and Prevention cautions that there may be more reports of illness to come. The incubation period for listeriosis varies, but it can take as long as two months for symptoms to develop.
Though Colorado is often held up as the model of a healthy lifestyle, the state isn't immune to the obesity crisis. One in four children is either overweight or obese. "This is a major problem," says one state health official. "We are far from setting the model of where we want to be."
Scientists who looked at sewage in three cities around the world found 40,000 viruses, most of them previously unknown. But, happily, most of the viruses lurking in sewage don't pose a threat to human health.
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