Legionella Bacteria Found at LA Medical Examiner’s Office
An employee at the Los Angeles County Medical Examiner’s Office has tested positive for Legionnaires’ disease after bacteria was discovered in the facility's cooling system.
Legionella bacteria detected in cooling system of LA Medical Examiner’s Office.
One employee has tested positive for Legionnaires’ disease.
Health officials are investigating the potential source of the infection.
The Los Angeles County Medical Examiner’s Office has reported the presence of Legionella bacteria, which is responsible for the severe Legionnaires’ disease, in its cooling system. An employee at the facility has tested positive for the disease, prompting health officials to investigate the situation further.
The bacteria was identified during maintenance work in May 2026, and it was only later that the employee's positive test result came to light. While the identity of the infected employee has not been disclosed, officials have yet to determine whether the infection is directly linked to the contaminated cooling system. A spokesperson for the Los Angeles County Department of Public Health confirmed the case and stated that they have been notified of the employee's condition.
Health officials have emphasized that Legionella bacteria are commonly found in plumbing systems, particularly in older buildings. They have urged healthcare providers to report any symptomatic cases of Legionnaires’ disease and are monitoring high-risk environments to prevent further outbreaks. To date, no additional cases have been reported among individuals who may have shared exposure with the infected employee.
Legionnaires’ disease is a serious form of pneumonia caused by inhaling contaminated water droplets. Symptoms can include high fever, cough, and confusion, and the disease can be life-threatening. According to health data, approximately 10,000 cases are diagnosed annually in the United States, with the CDC advising that healthcare providers must report cases to local health departments for investigation.
Looking ahead, health officials are continuing their investigation into the source of the bacteria and monitoring the situation closely. They are also encouraging the public to remain vigilant about potential exposure in communal and public facilities, especially those with older plumbing systems.
