COVID-19 Pandemic Exacerbates Whooping Cough Outbreaks Globally
As the COVID-19 pandemic continues to cast a shadow over global health, it has inadvertently exacerbated outbreaks of another infectious disease: whooping cough. Caused by Bordetella pertussis, the disease remains a significant global health challenge despite widespread vaccination efforts. Recent research highlights the alarming surge in whooping cough cases in Poland, where the number of cases rose from 182 in 2021 to 32,430 in 2024, following the lifting of COVID-19 restrictions.
Key Takeaways:
- A comprehensive review of whooping cough epidemiology, pathogenesis, and clinical presentation across age groups has been published in the journal Quality in Sport, citing data up to June 2025 sourced from PubMed.
- The review found that infants face the highest risk of mortality from whooping cough, with a mortality rate of up to 1%, making timely diagnosis critical.
- Diagnosis relies on PCR, microbiological culture, and serological tests, while macrolides are used for treatment and prophylaxis, reducing transmission if administered early.
- Acellular vaccines offer effective protection with fewer side effects but require boosters due to shorter immunity duration, emphasizing the need for maintaining vaccination coverage at 95%.
- Research into new vaccines to address evolving Bordetella pertussis strains is crucial for controlling incidence and preventing outbreaks.
- Poland saw a significant surge in whooping cough cases following COVID-19 restrictions, with 32,430 cases reported in 2024, compared to 182 in 2021.
Statistics:
- The number of whooping cough cases in Poland rose from 182 in 2021 to 32,430 in 2024, a 17,848-fold increase.
- Infants face the highest risk of mortality from whooping cough, with a mortality rate of up to 1%.
- Maintaining 95% vaccination coverage is crucial to controlling whooping cough incidence.
- Acellular vaccines require boosters every 5-7 years due to shorter immunity duration.
Sources:
- Quality in Sport, 2025,43
- NewsRx, "New COVID-19 Research from University Clinical Hospital Outlined (Pertussis - A Comprehensive Review of Etiology, Diagnosis, Treatment and Prevention)", Medical Letter on the CDC & FDA, August 3, 2025
- Pertussis - A Comprehensive Review of Etiology, Diagnosis, Treatment and Prevention, Quality in Sport, 2025,43.