Published: Sep 22, 2011 3:17 PM EDT

MIAMI (AP) - Health officials are asking Miami-Dade County residents to be on the alert for mosquitos after a 27-year-old man was diagnosed with West Nile virus.
Authorities on Wednesday encouraged people to drain standing water and cover any containers in their yards to keep mosquitos from laying eggs.
The Miami Herald reports the man started feeling ill in early to mid-August. He was admitted to the hospital and tests confirmed the virus. Since he had spent no significant time during the incubation period outside Miami-Dade County, health officials are calling it the year's first locally acquired case of West Nile.
Officials say it's the first locally acquired West Nile case since 2009.
Health department officials say the man has fully recovered.
Symptoms of West Nile include headache, fever, fatigue and dizziness.

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