the other three producers, scl, med immune medimmune, noefrs, novartis, makes its vaccines overseas. 1,000 doses of the nasal spray were delivered last week. they say they will need 300 to 400,000 doses. steven levy, county executive, says supplies are uncertain. >> we just got that shipment today, of the 600 injectable form and we're hoping for thousands more to come, we think, sporadically, over the next several weeks and months. >> reporter: dr. david graham, chief deputy health commissioner of suffolk county, says he only finds out day to day, what they will receive. >> we certainly could use more and the sooner the better. but, you know, for the doses that we do receive, incrementally, we're going to administer them as soon as they come in. >> reporter: until then, the county is prioritizing high-risk people to receive their shots first. kitty pilgrim, cnn. >>> this morning, we're following new developments in that balloon story from colorado. authorities there are going to have a news conference this afternoon. now, we're expecting them to tell us more about the charges that th