Journal Basic Info

  • Impact Factor: 1.995**
  • H-Index: 8
  • ISSN: 2474-1647
  • DOI: 10.25107/2474-1647
**Impact Factor calculated based on Google Scholar Citations. Please contact us for any more details.

Major Scope

  •  Thoracic Surgery
  •  Cardiovascular Surgery
  •  Urology
  •  Orthopaedic Surgery
  •  Surgical Oncology
  •  Oral and Maxillofacial Surgery
  •  General Surgery
  •  Otolaryngology - Head and Neck Surgery


Citation: Clin Surg. 2023;8(1):3638.Research Article | Open Access

The German Influenza Gap 2021 - A Multifactorial View

Homagk L* and Hornung L

Praxisklinik Dr. Homagk - MVZ GmbH, Germany

*Correspondance to: Homagk L 

 PDF  Full Text DOI: 10.25107/2474-1647.3638


The end of the 2019/2020 influenza season was already registered in early summer 2020, and in the following season. There was a nearly complete absence of influenza. So far, the sometimes-strict COVID-19 containment measures with contact restrictions and the obligation to wear a mask have been mentioned as reasons. The further processing of this influenza gap showed multifactorial reasons also the lack of registration of influenza cases. This study looks for further reasons and from several perspectives in order to develop strategies for a representative recording of influenza cases derive. For Evaluation the data of GrippeWeb, the RKI’s SurvStat® tool and the RKI’s reporting data on the new coronavirus were used. In addition, an evaluation of billing data from the EBM from 2017 to 2022 for the GOP 32816 as well as an evaluation of data on sick leave and illness statistics from 2019 to 2021 and the consideration of inpatient and outpatient health costs based on the data requested in writing from the Federal Ministry of Health was performed. In contrast to influenza A/B, the other viral respiratory pathogens (adenovirus, parainfluenza virus and RS virus) do not show any significant reduction. From 2020, the number of reports of respiratory infections to the RKI increased from an average of 300,000 annual reports by 2019 to 1,985,985 reports in 2020, over 5,453,017 reports in 2021 and to 29,681,158 in 2022. On the other hand, cases of incapacity to work due to respiratory infections fell from 31.0% in 2019 to 15.3% in 2021. Influenza-specific diagnoses (ICD: J10.1-3) were encrypted 33,727 times in 2021, in 2020 there were still 109,846. In the outpatient sector in particular, the treatment costs are falling from 2019 to 2021. The reduction in influenza A and B from 2020 as a result of the comprehensive COVID-19 control measures, including the obligation to wear masks, cannot be considered a major reason; rather, the aspect of underreporting of influenza cases plays a significant role. Therefore, the reporting quantity of the sentinel practices should be considered and the recording of incapacity diagnoses should be taken into account.


Cite the article

Homagk L, Hornung L. The German Influenza Gap 2021 - A Multifactorial View. Clin Surg. 2023; 8: 3638..

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