The death toll climbed to 28,016 after 127 more patients died from the viral disease, the DOH added.
For the third consecutive day, the Philippines has reported over 8,000 daily new cases of COVID-19.
The Philippines, which has a population of around 110 million, has tested more than 15 million people since the outbreak in January 2020.
The Philippine National Police began enforcing strict border controls in the boundaries of Metro Manila on Sunday to restrict the movement of people coming in and out of the capital.
Interior Secretary Eduardo Ano said only "authorized persons" can enter Metro Manila and its adjacent provinces.
"The implementation of strict border controls in Metro Manila Plus areas is critical to stopping the spread of the Delta variant," Ano said. Metro Manila Plus, which includes Bulacan, Cavite, Laguna and Rizal provinces, is home to over 28 million people.
The Metro Manila Development Authority has imposed a 10:00 p.m. to 4:00 a.m. curfew to keep people out of the streets. - Xinhua