sentences:  However, barely one year after his appointment to GSIS, President Duterte appointed Duque as DOH Secretary once more.Upon his assumption of office as DOH Secretary on November 6, 2017, he became the first returning health chief of the agency since the reappointment of Health Secretary Paulino Garcia in the 1960s.Duque, as Health Secretary, has led reforms in improving the information technology system of PhilHealth to safeguard against fraudulent claims and other forms of cybercrime.