Related Experiment Videos
[The impact of Haemophilus influenzae infections on Mexican children]
A Villaseñor-Sierra1, C Avila-Figueroa, J I Santos-Preciado
1Departamento de Enfermedades Infecciosas y Parasitarias, Hospital Infantil de México Federico Gómez, México, D.F.
Abstract:
A review of Haemophilus influenzae (Hi) infections in Mexico over the past 32 years was conducted. The proportion of Hi isolates in relation to positive cultures for distinct diseases was distributed as follows for meningitis (9-69%) and for pneumonia with empyema (6-28%). There was no difference in the proportion of Hi isolation between under developed countries and the United States. In other diseases such as septic arthritis, epiglottitis, acute otitis media, acute maxillary sinusitis and in the nasopharyngeal carrier state, the information was too limited. The incidence of Hib invasive disease has been almost eliminated in some areas of the world related to the use of Hib conjugated vaccine. It is imperative for the practitioner to be aware of the advantages of Hib vaccine in infancy.
Insights
Haemophilus influenzae (Hi) infections, particularly meningitis and pneumonia, were reviewed in Mexico over 32 years. The study highlights the significant impact of the Haemophilus influenzae type b (Hib) vaccine in reducing invasive Hib disease globally.
Area of Science:
- Medical Microbiology
- Infectious Diseases
- Vaccinology
Background:
- Haemophilus influenzae (Hi) is a significant pathogen causing various infections.
- Understanding the epidemiology of Hi in Mexico is crucial for public health.
- The impact of Haemophilus influenzae type b (Hib) conjugate vaccine on disease incidence is globally recognized.
Purpose of the Study:
- To review Haemophilus influenzae infections in Mexico over a 32-year period.
- To analyze the proportion of Hi isolates in different infectious diseases.
- To assess the current status and impact of Hib vaccination.
Main Methods:
- Retrospective review of medical literature and surveillance data.
- Analysis of culture-positive cases attributed to Haemophilus influenzae.
- Comparison of isolation rates across different diseases and geographical regions.
Main Results:
- Proportions of Hi isolates varied for meningitis (9-69%) and pneumonia with empyema (6-28%).
- No significant difference in Hi isolation rates was observed between developing countries and the United States.
- Data for other conditions like septic arthritis and otitis media were limited.
Conclusions:
- The incidence of invasive Hib disease has been substantially reduced in vaccinated populations worldwide.
- The Hib conjugate vaccine is highly effective in preventing severe Hib infections.
- Continued awareness and utilization of the Hib vaccine in infancy are essential for disease prevention.