First, I loved this movie. While it may of had a few sticking points, it still surpassed my wildest dreams. I had figured this movie to be a total bust with Will Smith unable to create a convincing carriage of the lead. I just couldn't fit him into the role. I'm very familiar with the book, having read it several times. He proved me wrong!
Now on to the problem with the summary as given: The first problem is "vampires". The turned victims of the supposed cure are eating the flesh of the deer they killed in the building. Vampires suck blood. These creatures are assumed vampires as they don't go out in the light. They are the ultimate cancer victim whose bodies are so weakened by the mutated virus that they can no longer tolerate UV light (as evidenced by his testing of the captured girl with a portable UV lamp). The second point is the input about his family. His family didn't die of the virus. They died while being evacuated in a helicopter crash. The third point is the reference to "years" which implies more than the 1000+ days that have transpired since Neville was by himself.
Now on to the problem with the summary as given: The first problem is "vampires". The turned victims of the supposed cure are eating the flesh of the deer they killed in the building. Vampires suck blood. These creatures are assumed vampires as they don't go out in the light. They are the ultimate cancer victim whose bodies are so weakened by the mutated virus that they can no longer tolerate UV light (as evidenced by his testing of the captured girl with a portable UV lamp). The second point is the input about his family. His family didn't die of the virus. They died while being evacuated in a helicopter crash. The third point is the reference to "years" which implies more than the 1000+ days that have transpired since Neville was by himself.