U.S. health officials are racing to control an outbreak of tuberculosis linked to contaminated bone graft material that has killed one person and infected at least four others - the second outbreak of the rare disease in two years. Eight people died in 2021 when the same type of bone repair product used in spinal surgery was also contaminated with the bacteria that causes tuberculosis. The product was supplied by Aziyo Biologics, the Silver Spring, Md., company also involved in the current outbr