3d
bacteria
bacteriemia
bacterium
biology
blood
borrelia
bugs
burgdorferi
cell
closeup
disease
epidemic
experiment
fever
health
human
ill
illness
illustration
infection
lyme
macro
medical
medicine
micro
microbe
microbiology
microorganisms
microscope
microscopic
organism
pathology
recurrentis
red
relapsing
research
science
scientific
sepsis
sick
sickness
smear
spiral
spirochaetes
threedimensional