acid fast bacilli
acid fast stain
afb
aggression
aid
bacteria
bacterium
biology
cell
colony
dirty
disease
epidemic
flu
healthcare
human
illness
infection
medical
medicine
microbe
microbiology
microscopic
mycobacterium tuberculosis
nocuous
organic
organism
outbreak
pathogen
poisonous
red
research
science
scientific
sickness
spread
system
tb
toxic
virus