Pretty sure that the announcement was that the sequence was "essentially complete" (or something like that). Here's a press report from the time that provided

Pretty sure that the announcement was that the sequence was "essentially complete" (or something like that). Here's a press report from the time that provided the caveat: http://news.bbc.co.uk/2/hi/science/nature/2940601.stm http://news.bbc.co.uk/2/hi/science/nature/2940601.stm > The remaining tiny gaps are considered too costly to fill and those in charge of turning genomic data into medical and scientific progress have plenty to be getting on with.