analyzing
bacteria
biology
blood
cdc
diarrhea
disease
fever
flu
food
health care
hematology
hospital
hygiene
illness
immunology
infection
lab
laboratory
legionella
legionellosis
legionnaires disease
lung
medical
medical exam
medical test
medicine
micro organism
microbiology
patient
pneumonia
pontiac fever
research
science
scientific experiment
serology
sick
sickness
test