Question

NEED ANSWER!!!!!

Which of the following statements are true of vaccines? Mark all that are true
A. Vaccines are effective for all known communicable diseases.
B. Vaccines are especially effective for the very young and the elderly.
C. Vaccines can produce disease similar to the one it is intended to prevent in those
with reduced immunity.
D. Vaccines are more than 95% effective.

Answer 1

A y B

Step-by-step explanation:

A. Las vacunas son efectivas para todas las enfermedades transmisibles conocidas.

B. Las vacunas son especialmente efectivas para los muy jóvenes y los ancianos.

Answer 2

B. Vaccines are especially effective for the very young and the elderly.

C. Vaccines can produce disease similar to the one it is intended to prevent in those with reduced immunity.

Step-by-step explanation: