Starting: We finally have found life on Mars, a kind of bacteria that is unknown to us. We take it back to Earth and it isn't in its case where it was when it was sent back. It has found a way out of the case and went in a person's meal. The person ate it, including the bacteria, and went to bed. When he work up, he was infected. He wasn't considered a "zombie" because, he didn't have the personality of one, but he went around infecting people by scratching them with infectious nails.
