Whooping Cough Cases Surge in Illinois: Nearly Fivefold Increase Reported by CDC

Health experts link rising cases to lapsed vaccinations following COVID-19

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CHICAGO – Cases of whooping cough, a highly contagious respiratory illness, have surged dramatically across Illinois, with the state seeing nearly five times as many cases this year compared to last, according to recent data from the Centers for Disease Control and Prevention (CDC). Health experts believe this alarming rise is linked to a decline in vaccination rates following the disruptions of the COVID-19 pandemic.

As of September 21, 2024, Illinois has recorded 1,058 cases of whooping cough, scientifically known as pertussis. This marks a sharp increase from the 230 cases reported by the same time last year. The illness, which can cause severe coughing fits and breathing complications, particularly in infants, is seeing a resurgence as many individuals, especially children, fall behind on their vaccinations.

Whooping cough typically peaks in the fall, coinciding with other respiratory illnesses such as the flu, RSV, and COVID-19. The infection initially mimics a common cold, with symptoms like mild coughing and runny nose, according to Dr. David Nguyen, an internal medicine specialist at Rush University Medical Center. However, as the illness progresses, the cough becomes more severe, lasting for weeks and often leading to the characteristic "whooping" sound as the infected person gasps for air between coughing fits.

"The disease can be especially dangerous for infants, as their smaller lungs and limited respiratory capacity make them more vulnerable to complications," explained Dr. Nguyen. "For babies under six months, the risk of severe outcomes, including hospitalization, is particularly high."

According to the CDC, one in three infants infected with whooping cough requires hospitalization, and the disease can be fatal if the baby stops breathing, leading to potentially life-threatening heart complications.

Health officials point to several factors contributing to the resurgence of whooping cough in Illinois, with a primary concern being that many people are not keeping up with their vaccinations. Dr. Nguyen attributes the rise in part to vaccine hesitancy and the decline in regular doctor visits during the COVID-19 lockdowns.

“The pandemic caused many people to delay routine medical care, including vaccinations, which has left a gap in immunity across age groups," said Dr. Nguyen. "Unfortunately, we're seeing the consequences now."