Home Department of Health Sec. Francisco Duque III administers a booster shot to a healthcare worker at the NKTI on Wednesday (Nov. 17, 2021). Getting a booster shot is voluntary and those who opted to get one may choose their preferred vaccine brand. (PNA photo by Robert Alfiler) Department of Health Sec. Francisco Duque III administers a booster shot to a healthcare worker at the NKTI on Wednesday (Nov. 17, 2021). Getting a booster shot is voluntary and those who opted to get one may choose their preferred vaccine brand. (PNA photo by Robert Alfiler)



