Day of the Dead: Bloodline (2018)

Zoe Parker, a doctor, was a former employee at a refugee camp for humans, and is still reeling from the horrors she faced there: the zombie apocalypse has arrived. Now, the last remaining safe place is a bunker located deep underground. It's a race against time to find a cure against the growing threat from the undead, who are referred to as "rotters." Zoe and other medical professionals must work alongside members of the military in this quest.