3d
3d illustration
3d rendering
alert
background
bacterial infection
business
clock
concept
copy space
countdown
danger
dangerous
deadline
disease
earth
epidemic
flu
global
health
hour
hourglass
illness
immunity
infect
infection
insurance
medical
outbreak
pandemic
pathogen
pneumonia
prevention
protection
quarantine
red
sickness
spread
time
vaccine
virology
virus
world