Instruct: Classify Amazon reviews into positive or negative sentiment
Query: Fairly bland, superficial killer virus/vampire combination.

I found this book to be pretty ho-hum. To his credit, the author does keep to a fairly straight storyline, not drifting so much that the reader can't keep up. However, the characters lacked individual depth, the character relationships were even less developed, and the science appeared to have no preparatory research. Most bothersome were the elements similar to another notable vampire-genre author (who was slightly denigrated by context, by the way). I found The Vampire Virus to be a very flat, dull ride. The amusing parts were in more of an "Oh come on!" sort of way, amused at the writing instead of by the writing.