President Rodrigo Roa Duterte during the 85th National Convention of the Philippine Public Health Association at the Grand Regal Hotel in Davao City on July 18, 2018.

President Rodrigo Roa Duterte is accompanied by Sec. Bong Go of the Office of the Special Assistant to the President upon his arrival at the Grand Regal Hotel in Davao City for his attendance to the 85th National Convention of the Philippine Public Health Association on July 18, 2018. SIMEON CELI JR./PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte delivers his speech during the 85th National Convention of the Philippine Public Health Association at the Grand Regal Hotel in Davao City on July 18, 2018. SIMEON CELI JR./PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte poses for a photo with Senator Joseph Victor Ejercito, Sec. Bong Go of the Office of the Special Assistant to the President, and the officers of the Philippine Public Health Association (PPHA) during the 85th National Convention of the PPHA at the Grand Regal Hotel in Davao City on July 18, 2018. ACE MORANDANTE/PRESIDENTIAL PHOTO
President Rodrigo Roa Duterte flashes his signature pose with Sec. Bong Go of the Office of the Special Assistant to the President and the guests during the 85th National Convention of the Philippine Public Health Association at the Grand Regal Hotel in Davao City on July 18, 2018. ACE MORANDANTE/PRESIDENTIAL PHOTO