apascascio5717 apascascio5717
  • 19-08-2020
  • Biology
contestada

A preparation that "teaches" the immune system to recognize a disease-causing agent without actually causing disease is termed a(n):__________.
A. antibiotic.
B. virus.
C. antiviral.
D. vaccination.
E. injection.

Respuesta :

kayy719 kayy719
  • 19-08-2020
D vaccine. Have a good day
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