they're more comparle to that ofseasonal flu, yet we ha to take precautionsnd the vaccination is a very important part of that. >> we also heard from the w.h.o today that it h not mutated, at least n sofar. how legitimate is the concern of mutation? >> in this cae, fotunately, the organism es not seem to ha mutated siificantly, in fact, at all. it's very ch the same as it was last spring. this is good newsecause it meanthe vcine is well rgeted toatch the organism. >> we also heard from the w.h.o. today that the doses of the vaccine mayall short prious estimates that w had been hearing. ho concerned should we babout that? i mean, we'renotrolling it out here in the united stas until mioctober, countries like china have already staed rolling it o. >> the crical faor, of course, how much vaccine there will be available. an it's predicted at we could get as much as 20% of the human populati in this season of the flu. that's a go effort. it might have been ideal to have come in a little earlier, but a mid-october date will still be effective, not only f treating the disease now but for also p