[Expert Solution]: MMR and PCV13 may be administered…

MMR and PCV13 may be administered simultaneously or must be separated by a 28 -day minimum interval. MMR and PCV13 should not be administered simultaneously. They must be separated by a 28 -day minimum interval. Vaccines should never be administered simultaneolity. As such these vaccines should be separated by a 7 -day minimum interval. MMR and PCV13 may be administered simultaneously of at any interval between doses.