They may also rock while on the stomachs, kick their hip and legs, and swim with their hands. These movements are necessary for rolling over and crawling. By the ultimate end of this period, babies will be able to roll over from tummy to back again and back to stomach and most likely have the ability to sit without any support. By age 4 a few months, babies may bring toys to their mouth easily. They use their fingertips and thumb in a claw-like grip to get objects.As of 7 September, 2009, a total of 114 of the 722 sufferers were even now in the hospital, of whom 37 were even now in the ICU. Excluding these 114 patients still in a healthcare facility or ICU and yet another 33 for whom data were not available , we calculated the median length of treatment in the ICU as 7.4 days among Sufferers with 2009 H1N1 Influenza.) and the median duration of treatment in the hospital as 12.3 days . The true number of ICU admissions per million inhabitants varied on the study period, for New and Australia Zealand overall and for each of the main regions affected, as did the number of ICU beds occupied per million inhabitants .