 tuberculosis tb disease associated with suspected contaminated viable bone matrix material used in surgical and dental procedures cdc is responding to tuberculosis tb disease cases associated with viable bone matrix material the cases appear to be linked to a single product lot used in surgical and dental procedures shipments of this product lot were sent to thirteen facilities in seven states california louisiana michigan new york oregon texas and virginia between february 27 2023 and june 20 2023 and a voluntary recall notice was issued mid july 36 people had surgery or dental procedures using product from this lot and are being evaluated and treated 