The Philadelphia victims are a man and a woman who the city's health department described as middle-aged, according to the Philadelphia Inquirer. Both had underlying medical conditions. A total of five people have now died in Pennsylvania from the swine flu.
Six people have died in New Jersey.
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The state Health and Senior Services Department says the latest victim is a woman in her 40s from Bergen County. She also had underlying health conditions.
The five others in New Jersey who have died from the H1N1 virus include a 79-year-old Hudson County woman, a 36-year-old Union County man, a 15-year-old Somerset County boy, a 10-year-old Sussex County boy and a 49-year-old northern New Jersey man.
There are 609 confirmed cases of swine flu in every New Jersey county but Salem and Cape May.