Not sure but would bet that a big reason for Carnival not offering more info/statements. Could be that anything they do say right now will be spun negativly or used in the upcoming lawsuits, by gready lawyers looking to make themselfs a quick buck.
2004 Carnival Imagination Grand Cayman/O.R. Jamica
2006 Carnival Valor Eastern Caribbein
2008 Carnival Liberty Exotic W. Caribbein
2010 Carnival Spirit Mexican Rivera
2012 Carnival Freedom Exotic W. Caribbein