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Pertussis: What Every Mother Needs to Know

What is pertussis?

  • Known as whooping cough
  • A highly contagious illness that can cause:
    • Severe coughing1,2
    • Babies may struggle to breathe, turn blue, or stop breathing
    • Serious complications like pneumonia, convulsions, brain damage, and death in severe cases2
  • Most deaths from pertussis occur in babies younger than 3 months old, before babies can be fully vaccinated against pertussis3,4

 

Pertussis in Malaysia

  • Pertussis cases increased more than 4 times in 2023 (1,203 cases with 43 deaths) compared to 2011 (248 cases)5
  • In 20245:
    • 475 cases of pertussis have been reported with 10 deaths5
    • For the pertussis mortality trend from 2014 to 2024, 33% to 66% of deaths were among infants aged 5 years and below

 

How does pertussis spread?

  • The disease spreads through tiny droplets when an infected person coughs, sneezes or laughs1
  • Household members are the main sources of pertussis transmission to babies6

Everyone around baby can play a part

  • Immunising family members and caregivers adds another layer of protection for baby7,8.
  • This reduces the risk of them catching and spreading pertussis to baby8.
  • Ideally, they should get Tdap immunisation at least 2 weeks before the newborn’s arrival8.

References:

  1. KidsHealth. Whooping cough (pertussis). Available at https://kidshealth.org/en/parents/whooping-cough.html
  2. Centers for Disease Control and Prevention. Tdap (tetanus, diphtheria, pertussis) vaccine: what you need to know. Available at https://www.cdc.gov/vaccines/hcp/current-vis/tdap.html
  3. European Centre for Disease Prevention and Control. (2023). Factsheet about pertussis. https://www.ecdc.europa.eu/en/pertussis/facts
  4. Centers for Disease Control and Prevention. Epidemiology and prevention of vaccine-preventable diseases. 14th edition. Chapter 16: Pertussis. Havers FP, Moro PL, Hariri S, Skoff T, eds. Washington D.C. Public Health Foundation. 2021:239–254. Retrieved from https://www.merle-arbeitsmedizin.de/wp-content/uploads/2022/02/CDC-Pink-Book-Version-14th-Edition.pdf
  5. Pillai, S. (2023). Pertussis, Diphtheria, Measles Spiked In Malaysia In 2022 – CodeBlue. CodeBlue. https://codeblue.galencentre.org/2023/08/pertussis-diphtheria-measles-spiked-in-malaysia-in-2022/
  6. Wendelboe, A. M. et al. (2007). Transmission of Bordetella pertussis to Young Infants. The Pediatric Infectious Disease Journal, 26(4), 293–299. https://doi.org/10.1097/01.inf.0000258699.64164.6d
  7. Da Silva Gomes, F. M., Valente, M. H., De Ulhôa Escobar, A. M., & Grisi, S. J. F. E. (2018). Clinical Experiences in Pertussis in a Population with High Vaccination Rate. In InTech eBooks. https://doi.org/10.5772/intechopen.75684
  8. Centers for Disease Control and Prevention (CDC). Vaccines for Family and Caregivers. Available at https://www.cdc.gov/vaccines-pregnancy/about/vaccines-family-caregivers.html

MAT-MY-2500565-1.0-11/2025