Enlarge / Chickenpox on a 1-year-old.BSIP/UIG Via Getty Images
Thanks to the vaccination program that began in 1995, chickenpox is now relatively rare. Cases of the miserable, itchy condition have fallen more than 97 percent. But, while children have largely put the oatmeal baths and oven mitts behind them, doctors have apparently let their diagnostic skills get a little crusty.
According to a study published Thursday, public health researchers in Minnesota found that 55 percent of people diagnosed with chickenpox based on their symptoms were actually negative for the varicella-zoster virus, the virus that causes chickenpox. The study noted that the
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