Simultaneous vaccination against flu and pneumococcus: does it work?

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Takeaway

  • Giving 23-valent pneumococcal polysaccharide vaccine (PPV23) at the same time as inactivated quadrivalent influenza vaccine (IIV4) appears to be as efficacious as giving them separately.

Why this matters

  • Neither vaccine has achieved target uptake.
  • Administering PPV23...