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Hepatitis Vaccine Maker Slumps After Baby Deaths: Shanghai Mover

Beijing Tiantan Biological Products Corp. plunged by as much as the 10 percent daily limit in Shanghai trading after media reports linked the company’s hepatitis B vaccine to the death of two infants in China.

Tiantan Biological fell 7.1 percent to 22.36 yuan as of the 11:30 a.m. trading break. The benchmark Shanghai Composite Index rose 0.4 percent.