Q:

Bivalent vaccine of typhoid contains:

0

Bivalent vaccine of typhoid contains: 


  1. S. typhi + S. paratyphi A
  2. S. typhi + S. paratyphi B
  3. S. paratyphi A + B
  4. S. paratyphi B + C
  5. S. paratyphi A + C

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