On June 7, 2021, the Manila Health Department administered the first vaccination drive to the A2 and A3 priority frontline personnel of DENR MIMAROPA Regional Office which described in the Department of Health’s COVID-19 Vaccination Program prioritization as Senior Citizens (A2) and Persons with Comorbidities (A3). Seventy (70) A2 and A3 employees were vaccinated with their first dose of the Sinovac Vaccine.

On June 28, 2021, the MHD administered the vaccination drive to the A4 frontline personnel of the DENR MIMAROPA Regional Office including the Mines and Geosciences Bureau MIMAROPA and Environmental Management Bureau MIMAROPA. The A4 employees were vaccinated with their first dose of AstraZeneca Vaccine.