TRENTON, NJ – The New Jersey Department of Health (NJDOH) is investigating a surge in Legionnaires’ disease cases in Middlesex and Union counties. Officials urge residents exhibiting symptoms to seek medical evaluation.
As of November 6, 21 cases in Middlesex County and 20 in Union County have been reported, with symptom onset ranging from August 3 to October 24. No fatalities are associated with this outbreak. Typically, both counties report six to eight cases during this period annually.
The NJDOH, in coordination with local health departments, is examining these incidents and potential infection sources. In mid-October, authorities notified health departments, providers, and public health partners in the affected areas about the increased case numbers. No common exposure source has been identified yet.
Legionnaires’ disease, a pneumonia type, shares symptoms with COVID-19 and the flu, including fever, chills, cough, and shortness of breath. Diagnosis requires specific medical tests. While the disease is serious, it is treatable with antibiotics.
Symptoms can develop up to two weeks after exposure. NJDOH advises individuals who visited Middlesex or Union counties and developed symptoms within this timeframe to seek medical care.
Dr. Kaitlan Baston, Acting Health Commissioner, emphasized the importance of early diagnosis for effective treatment. She noted that while the risk remains low, individuals with pneumonia-like symptoms should promptly consult their healthcare provider.
Legionnaires’ disease primarily affects those over 50, smokers, and individuals with certain medical conditions. It is not transmitted person-to-person but through inhalation of water droplets containing Legionella bacteria, often found in cooling towers, hot tubs, and certain plumbing systems.
NJDOH recommends that cooling tower system operators review their maintenance plans to prevent Legionella growth and follow CDC guidelines for systems testing positive for the bacteria. Regular cleaning and disinfection are crucial.
Annually, NJDOH receives 250-375 Legionnaires’ disease reports and collaborates with local health departments for investigations. Identifying infection sources can be challenging, and any discovered sources will be remediated to prevent further spread.