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New fears are starting to grow as there’s a strain of bird flu that’s killed over one-third of those it infects. Some experts warn that it has the potential to be the next pandemic.

As of June 15, 1,625 people in China have become infected with this virus and 623 are now dead — a total of 38 percent.

Bird flu, or avian influenza, has multiple subtypes. But, two have become the most concerning.

One strain of the bird flu, identified as H7N9, was first detected in people in 2013 in China, according to the U.S. Centers for Disease Control and Prevention (CDC). Before 2013, this strain hadn’t been seen in any other population except birds, according to the World Health…