Which of the following statements about Legionella pneumophila is FALSE?

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Its primary environment is water sources.It has the ability to multiply within amoebae.Testing urine samples provides a dependable diagnostic method.It spreads directly from one individual to another.It is a gram-negative bacterium.

Explanation

Legionella pneumophila predominantly inhabits aquatic environments and can reproduce inside amoebae. Urine antigen tests are considered reliable for diagnosis. However, it does not transmit through person-to-person contact.