(Not sure if this goes on LBN, so I'll just try it here)
I've seen a lot of articles with almost zero information . . . I found this presser fairly informative. Unfortunately, the transcription is all in caps. Sorry.
-------
THE MEDIAN AGE IS 16 YEARS WITH A RANGE IN AGE OF 7 TO 54 YEARS AND AS I′VE BEEN TRYING TO STRESS, AS WE CONTINUE TO LOOK I EXPECT THAT WE WILL SEE CASES IN OTHER PARTS OF THE COUNTRY, AND I WILL FULLY EXPECT THAT WE′LL SEE A BROADER RANGE IN TERMS OF THE SEVERITY OF INFECTION.
. . .
ANOTHER THING THAT′S IMPORTANT TO NOTE IS THAT WE′RE NEARING THE END OF FLU SEASON AND OFTEN IN OUTBREAKS OF INFLUENZA YOU′LL SEE A DECLINE IN THE NUMBER OF CASES BECAUSE IT′S THE END OF FLU SEASON AND WE CAN′T REST TOO COMFORTABLY ON THAT BECAUSE SOMETIMES IT COMES BACK AGAIN IN THE FALL WHEN FLU SEASON COMES BACK. SO WE′LL BE WATCHING CLOSELY TO SEE THE NUMBER OF CASES AND THE SEVERITY OF CASES AND AGE GROUP OF CASES AND THAT SORT OF THING. . . .
-----------
http://www.cdc.gov/media/transcripts/2009/t090427.htm