The Arizona growing season is long over and it's unlikely any tainted lettuce is still in stores or people's homes. But there can be a lag in reporting, and reports of illnesses have continued to come in.
In an update Friday, health officials said 25 more cases raised the total to 197 illnesses in 35 states. At least 89 were hospitalized.
Health Glance
You may have heard the expression: It's not the heat, it's the humidity. Researchers seem to agree, and are now warning that humidity is likely to increase the threat to human health from climate change-related temperature hikes in certain parts of the world.
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