選択的
abdominal
antibiotic
antiserum
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bacteria
bacterial
bottle
care
cholera
closeup
diagnosis
disease
emergency
enteric
epidemic
exhaustion
fever
focus
glass
health
healthcare
immunization
infantile
infection
infectious
injection
laboratory
liquid
medical
medicine
nervous
number
pathogenic
protection
remittent
safety
serum
sickness
text
treatment
turquoise
typhoid
typhus
vaccination
vaccine
viral
virus