Whooping Cough Surge in Netherlands: RIVM Reports Rising Cases Post-Pandemic

The news out of the Netherlands this week – that roughly one in three children experienced a kinkhoest (whooping cough) infection following the easing of COVID-19 restrictions – is a stark reminder of the ripple effects of pandemic-era public health measures. While the immediate crisis of COVID-19 may feel distant, its impact on baseline immunity, particularly in young children, is now becoming increasingly clear. Here in Austin, Texas, we’re seeing a similar pattern emerge and it’s prompting renewed conversations among pediatricians and public health officials at organizations like the Austin Travis County Health and Human Services Department.

The Interrupted Immunity Landscape

The Dutch research, as reported by the RIVM (Netherlands National Institute for Public Health and the Environment), highlights a critical point: the measures designed to curb the spread of COVID-19 – social distancing, mask-wearing, school closures – inadvertently created a period of reduced exposure to many common respiratory illnesses, including whooping cough. This resulted in a cohort of children with diminished natural immunity when restrictions were lifted in 2022. The situation isn’t unique to the Netherlands. The same dynamic played out globally, and Austin is no exception. We’ve observed a noticeable uptick in reported cases of whooping cough among school-aged children, mirroring the trends seen in Europe.

The RIVM study also revealed that while the majority of infections were mild or asymptomatic, a significant 16% of those infected experienced prolonged coughing. This underscores the importance of recognizing the symptoms, even in seemingly minor cases, as these can contribute to the overall spread of the disease. The study examined antibody levels in a broad range of Dutch residents (ages 2-87) between November 2022 and October 2024, finding that 6.3% had been infected. This data reinforces the idea that whooping cough can circulate widely without always presenting with severe symptoms.

The Role of Vaccination and the Rijksvaccinatieprogramma

Fortunately, the Netherlands has a long-standing whooping cough vaccination program, integrated into the Rijksvaccinatieprogramma (National Vaccination Program) since 1957. The RIVM’s research confirms that vaccines remain highly effective in preventing severe cases of whooping cough. However, the study also points to a crucial takeaway: vaccination doesn’t eliminate the risk entirely, and the disease can still spread, even among vaccinated individuals. This is particularly concerning for infants under two months old, who are too young to receive the full vaccination series and rely on passive immunity transferred from their mothers.

Here in Austin, the vaccination rates for whooping cough are generally good, thanks to the efforts of local pediatricians and public health campaigns. However, You’ll see pockets of lower vaccination coverage, particularly in certain zip codes and among specific demographic groups. The Central Texas Pediatric Society actively promotes vaccination and provides resources to families, but ongoing outreach is essential to maintain high levels of protection. The DKT vaccine, used in the Netherlands, protects against diphtheria, tetanus, and pertussis (whooping cough). It’s a combination vaccine that offers broad protection against these potentially life-threatening diseases.

Maternal Vaccination: A Critical Layer of Protection

The Dutch approach of maternal vaccination – vaccinating pregnant women during the third trimester – is gaining traction globally as a way to provide passive immunity to newborns. This is particularly important in the first few months of life, before infants can be fully vaccinated. The BCFI (Belgian Centre for Interdisciplinary Studies) has published research supporting the effectiveness of maternal vaccination, showing approximately 80% protection against laboratory-confirmed whooping cough and around 60% protection against severe cases. While further research is needed to address potential concerns about the impact on the infant’s immune response to their own vaccinations, the current evidence strongly supports the benefits of maternal vaccination.

Navigating the Local Landscape: Resources for Austin Families

Given my background in public health communication and risk assessment, if this trend is impacting you or your family here in Austin, it’s important to be proactive. Here are three types of local professionals you should consider connecting with:

Board-Certified Pediatricians

Glance for pediatricians affiliated with reputable hospital systems like Dell Children’s Medical Center. They will be up-to-date on the latest vaccination recommendations and can provide personalized advice based on your child’s health history. Prioritize those who actively engage in community outreach and education regarding infectious diseases.

Certified Immunization Educators

These professionals, often employed by local health departments or non-profit organizations, can provide comprehensive information about vaccines, address common concerns, and dispel misinformation. They can be a valuable resource for parents who are hesitant about vaccination or have questions about the risks, and benefits.

Family Nurse Practitioners (FNPs) specializing in Pediatrics

FNPs with a focus on pediatric care can offer a convenient and accessible option for routine checkups, vaccinations, and sick visits. Ensure they are licensed and certified by the Texas Board of Nursing and have experience managing infectious diseases in children.

Understanding the resurgence of whooping cough, both globally and locally, is the first step towards protecting our community. By staying informed, prioritizing vaccination, and seeking guidance from trusted healthcare professionals, we can mitigate the risks and ensure the health and well-being of our children.

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