what we do know is that if you ontract zika, even if don't appear to have significant ymptoms, it is possible for ika to cause significant birth defects, including icroencephaly, where the skull casing is -- the head of the significantly smaller. we think that there may be other neurological disorders that are caused as a consequence of zika, know all of the potential effects. we do know that they are serious. right now, what we've seen is a zika inver 500 cases of the continental united states and they all appear to be travel related. transmitted. meaning somebody from the u.s. went down to an area that has came back. bite, and cases seen at least 10 in which a individual went to one of these areas, got infected, and then sexually their tted zika to partner. a more significant immediate puerto rico, where we now that there are over 800 cases that have been diagnosed. however, we suspect that it could be significantly higher. the reason is that for most not have a lot of symptoms when you get zika. pregnant, or the somebody who is pregnant or trying to get pregnant, you may not even