The 2014 Portugal legionellosis outbreak was an outbreak of legionellosis in multiple cities of the Lisbon district in Portugal, caused by the release of Legionella bacteria from the cooling towers of a fertilizer plant in Forte da Casa, Vila Franca de Xira.

Paulo Macedo, the Portuguese Health Minister, declared the outbreak extinct on 21 November.

[1] On 7 November 2014, authorities were alerted about an unusually large number of patients infected with Legionella: in 24 hours, the Vila Franca de Xira hospital received 27 patients with this infection and there were six more cases in other hospitals in Lisbon.

Authorities stated that the first fatality was a 59-year-old male that was a heavy smoker and died 3 hours after arriving at the hospital.

[19] Two more people, a 66-year-old male and an 81-year-old female, both with preexisting conditions, died in the hospital, raising the number of fatalities to 3.

[20] On 12 November, there were 302 known cases and 7 fatalities related to this outbreak, with 49 people in intensive care units and two more deaths under investigation.