3d
attack
background
bacteriemia
bacterium
biology
cells
close
closeup
cocci
diarrhea
disease
epidemic
fever
fighting
health
human
illness
illustration
infection
life
macro
medical
medicine
micro
microbes
microbiology
microorganisms
microscope
microscopic
mrsa bacteria
pathology
purulent
pus
pyogenic
science
scientific
scientific background
sepsis
shapes
sick
sickness
spherical bacteria
staphylococci
staphylococcus
superbug
surgical infection
threedimensional
toxin
virus