Document is current
Any future updates will be listed below
-
Authors
Kiedrowska, Marlena https://orcid.org/0000-0003-2318-3375
Błaszczyk, Kinga https://orcid.org/0000-0002-1279-160X
Gołębiewska, Agnieszka https://orcid.org/0000-0002-9662-8243
Hryniewicz, Waleria https://orcid.org/0000-0002-3651-9790
Kuch, Alicja https://orcid.org/0000-0001-5416-1422
Ronkiewicz, Patrycja https://orcid.org/0000-0003-4427-5076
Wróbel-Pawelczyk, Izabela https://orcid.org/0000-0002-4726-5984
Skoczyńska, Anna https://orcid.org/0000-0002-2247-830X
-
Funding
Funding for this research was provided by:
Polish Ministry of Education and Science (MIKROBANK 2)
Polish Ministry of Health
National Medicines Institute (DS-6/2024)
Pfizer (54223561)
Pfizer (57006665)
Pfizer (61600669)
- License Information
-
More Information
Article History
Received: 18 September 2025
Accepted: 14 December 2025
First Online: 8 January 2026
Declarations
:
: Marlena Kiedrowska, Kinga Błaszczyk, Agnieszka Gołębiewska, Alicja Kuch, Patrycja Ronkiewicz, Izabela Wróbel-Pawelczyk and Anna Skoczyńska have nothing to disclose. Waleria Hryniewicz is an Editorial Board member of Infectious Diseases and Therapy . Waleria Hryniewicz was not involved in the selection of peer reviewers for the manuscript nor any of the subsequent editorial decisions. The remaining authors declare no conflict of interest.
: The study was conducted as continuous surveillance in accordance with the World Health Medical Association 1966 Declaration of Helsinki and the EU rules of Good Clinical Practice. The National Reference Centre for Bacterial Meningitis (NRCBM) was established by the Ministry of Health in 1997 to monitor invasive infections in Poland, including invasive disease caused by Haemophilus influenzae . Currently, the NRCBM operates under the Act of December 5, 2008, on the Prevention and Control of Infections and Infectious Diseases in Humans (Journal of Laws of 2008, No. 234, item 1570), and therefore, approval from the institutional review board is not required.
