Two people have contracted legionnaires disease at a factory in Boldon, South Tyneside, ITV News has reported.
The two confirmed cases occurred several months apart, the first in October last year and the second in April this year.
Both people needed hospital treatment but have since recovered. The third suspected case is currently in hospital.
Experts from Public Health England (PHE) North East, South Tyneside Council and the Health and Safety Executive (HSE) are investigating two confirmed and one probable case of Legionnaires’ disease in people who work at Faltec.
Faltec makes components for the automotive industry, and its customers include Nissan, Land Rover and Toyota, and Honda.
The 12th Annual Combatting Legionella & Water Treatment conference will take place on 29-30 September at Aston Villa Park in Birmingham.
A comprehensive and cutting-edge event, the conference ensures engineering and facilities management teams are able to prevent legionella bacteria from developing and comply with water safety regulations.