英文關鍵字
bird
flu
concept
contagious
disease
exposure
shots
flue
grippe
hemophilus
influenzae
idea
illness
infection
influenza
viruses
preventable
prevention
preventive
medicine
respiratory
seasonal
swine
syringe
vaccination
vaccine
virus
英文關鍵字
bird
flu
concept
contagious
disease
exposure
shots
flue
grippe
hemophilus
influenzae
idea
illness
infection
influenza
viruses
preventable
prevention
preventive
medicine
respiratory
seasonal
swine
syringe
vaccination
vaccine
virus