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Updated: Apr 4, 2026

Sublingual Immunotherapy as an Alternative to Induce Protection Against Acute Respiratory Infections
Published on: August 30, 2014
[Vaccinations in respiratory medicine].
1Institut für klinische Pharmakologie und Toxikologie, Charité-Universitätsmedizin Berlin, Luisenstr. 7, 10177, Berlin, Deutschland, haloheck@zedat.fu-berlin.de.
Vaccinations effectively prevent respiratory infections like influenza and pneumococcal disease. Optimal timing for influenza vaccines is late in the year, while pneumococcal vaccines offer moderate to good protection against invasive strains.
Area of Science:
- Public Health
- Infectious Disease Epidemiology
- Vaccinology
Context:
- Vaccinations are crucial for preventing infectious diseases, particularly respiratory tract infections.
- Influenza and pneumococcal infections pose significant public health challenges.
- Current vaccination strategies require annual updates for influenza and involve polysaccharide or conjugate vaccines for pneumococcal disease.
Purpose:
- To review the efficacy and optimal administration of influenza and pneumococcal vaccines.
- To discuss the limitations and benefits of current vaccine formulations.
- To highlight the importance of timely vaccination for respiratory pathogen prevention.
Summary:
- Influenza vaccines (trivalent/quadrivalent) require annual strain updates, with late-year administration (November/December) recommended due to variable protection duration and potential mismatch.
- Two pneumococcal vaccines for adults include the 23-valent polysaccharide vaccine (PPV23), with debated efficacy but accepted moderate reduction in invasive infections, and the 13-valent conjugate vaccine (PCV13), demonstrating clinical efficacy (CAPiTA) but covering only 47% of circulating serotypes.
Impact:
- Informed vaccination timing can enhance protection against seasonal influenza.
- Understanding vaccine coverage gaps for pneumococcal disease may guide future vaccine development.
- Effective vaccination strategies are essential for reducing the burden of respiratory infections.
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