More than 350 million people are chronically infected with the virus that causes severe liver damage and many kinds of health problems including liver cancer and death.
Washington University finds an easy way to reduce the amount of deadly infections for intensive-care patients.
Retired brewery worker Jim Klotz says he lost a lot when the infection he believes came from a hospital IV ravaged his body, leaving him dependent on others.
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Several deaths are linked to a rare fungal infection.