defence immunization concept. Flu vaccine.
Palabras clave
vaccination,
defense,
flu,
hand,
plate,
protection,
virus,
contagion,
epidemic,
disease,
cold,
antibody,
pandemic,
virology,
fever,
clinic,
immune,
sick,
health,
screen,
hygiene,
danger,
snort,
inflammation,
hospital,
bed,
pain,
viral,
transmission
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