An 11th Clark County resident has suffered a swine flu-related death, the Southern Nevada Health District announced Tuesday.
The woman, a 45-year-old with no underlying medical conditions, died last week.
Her name has not been released.
One patient remains hospitalized with severe illness.
A 12th person, a 70-year-old New York woman who was ill before she arrived in Nevada, died in Clark County in June.
The U.S. Food and Drug Administration on Tuesday approved a vaccine for the H1N1 influenza from four manufacturers.