Haemophilus influenzae Epiglottitis: A Rare Disease Not to Be Forgotten

Although pediatric epiglottitis has become rare following the widespread use of the <i>Haemophilus influenzae</i> type b (Hib) vaccine, breakthrough infections still occur, whilst other <i>H. influenzae</i> serotypes continue to emerge. We present the case of a 10-year-old child, fully immunized against Hib, who developed epiglottitis. Blood cultures confirmed <i>H. influenzae </i>infection, and further microbiological characterization identified a non-typable strain. This case highlights the growing clinical relevance of <i>H. influenzae</i> strains not covered by the Hib vaccine and reinforces the need to maintain a high index of suspicion for epiglottitis as a cause of upper airway obstruction, even in fully immunized children, requiring early recognition and prompt management. Continuous monitoring is crucial for assessing how vaccination influences the epidemiological patterns of invasive <i>H. influenza</i>e disease.

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Publication Details

Journal
Cureus
Published
2026-01-16
DOI
https://doi.org/10.7759/cureus.101680
Primary Topic
Otolaryngology and Infectious Diseases
Type
article
Field-Weighted Citation Impact
0.00
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article

Haemophilus influenzae Epiglottitis: A Rare Disease Not to Be Forgotten

Margarida Roquette, Carina Cardoso, Luzia Condessa, Madalena Ferreira et al.
Cureus
Otolaryngology and Infectious Diseases
article

Haemophilus influenzae Epiglottitis: A Rare Disease Not to Be Forgotten

Margarida Roquette, Carina Cardoso, Luzia Condessa, Madalena Ferreira, Margarida Chaves, Rita Antão
article en

Abstract

Although pediatric epiglottitis has become rare following the widespread use of the <i>Haemophilus influenzae</i> type b (Hib) vaccine, breakthrough infections still occur, whilst other <i>H. influenzae</i> serotypes continue to emerge. We present the case of a 10-year-old child, fully immunized against Hib, who developed epiglottitis. Blood cultures confirmed <i>H. influenzae </i>infection, and further microbiological characterization identified a non-typable strain. This case highlights the growing clinical relevance of <i>H. influenzae</i> strains not covered by the Hib vaccine and reinforces the need to maintain a high index of suspicion for epiglottitis as a cause of upper airway obstruction, even in fully immunized children, requiring early recognition and prompt management. Continuous monitoring is crucial for assessing how vaccination influences the epidemiological patterns of invasive <i>H. influenza</i>e disease.

CureusVol. 18(1)
Hospital de São José (PT)
Good health and well-being
Openalex Percentile: Top 84%
Otolaryngology and Infectious Diseases
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Haemophilus influenzae Epiglottitis: A Rare Disease Not to Be Forgotten — Margarida Roquette, Carina Cardoso, et al. · Cureus (2026) | TGRS Research Map | TGRS