sentences:  During a hearing of the Senate Blue Ribbon Committee on August 14, 2019, Duque denied any conflict of interest in his part.Duque emphasized that DPI has been partnering with the government since 1946 and was already a primary provider of anti-TB vaccines by 1996, the first time he acquired shares from the company.Also, according to Duque, he has already divested all personal interests with DPI since 2005.