英文關鍵字
bacteria
bacterial
infection
biohazard
bordetella
pertussis
care
concept
disease
dtap
idea
prevention
protection
respiratory
security
vaccination
vaccinations
vaccine
whooping
cough
word
英文關鍵字
bacteria
bacterial
infection
biohazard
bordetella
pertussis
care
concept
disease
dtap
idea
prevention
protection
respiratory
security
vaccination
vaccinations
vaccine
whooping
cough
word