<prompt> Which vaccine can not be used in adults?Hep AMMRDPTPneumococcal  <response>: -Tdap vaccine single dose is recommended in adolescents adults not DTP - DTP cannot be given beyond 7yrs of age. -Tdap contains lesser amount of Diphtheria Peussis antigens, compared to DTP - Remaining all vaccines given in the question can be given to adults according to requirement. EXTRA EDGE: Vaccines recommended in adolescents: Tdap HPV Td Influenza TT JE Pneumococcal Rabies 