What Is Legionnaires?
5. Initial Symptoms
It will usually take between 2 and 10 days after the initial infection for the symptoms of legionnaire’s disease to show. In some cases, the patient will have no symptoms whatsoever and their immune system will defeat the bacteria before it can do them any harm.
When symptoms do show, they are not usually serious and will often be passed off as something relatively mild like a cold or the flu. These symptoms tend to include aching joints and muscles, a headache, and a fever. While the initial symptoms may only be mild, they can progress to become considerably more serious.
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