Plague can be fatal in up to 90% of people infected if not treated, primarily with several types of antibiotics. (Photo by Yevgeny SofiychukTASS via Getty Images) BEIJING (AP) - While China appears to have reduced coronavirus cases to near zero, other infectious threats remain, with local health authorities announcing a suspected bubonic plague case in the Inner Mongolia Autonomous Region.Authorities in the Bayannur district raised the plague warning on Sunday, ordered residents not to hunt wild animals such as marmots and to send for treatment anyone with fever or showing other possible signs of infection.Plague can be fatal in up to 90% of people infected if not treated, primarily with several types of antibiotics.Here is a look at some.