This morning we're seeing a big spike in the -- in America check out this map last week -- there was high flu activity in six states now it's more than tripled that twenty states this. Of course... See More
This morning we're seeing a big spike in the -- in America check out this map last week -- there was high flu activity in six states now it's more than tripled that twenty states this. Of course raises a lot of urgent questions for all of us so let's bring in ABC's chief health and medical editor doctor Rick -- rich good morning -- -- The flu -- H1N1 what do we know about this parents so this is the same strain and in 2009 spread around the world and cause cause the flu pandemic when when these -- come back. They don't cause pandemic again but -- cause a lot of disease and this strain. -- did healthy young adults more than other clues so it's one we really need to take seriously stories does -- look what we're heading into a particularly bad season and then what to our viewers do about it yeah I mean you can't tell yet how severe -- season's going to be but that big -- tells us we are in the middle of it. It's not too late to get vaccinated even in those areas that are that are -- -- she would -- get the vaccine if you wanna do a lot of hand washing cover your cough stay home if you're sick. And this year I'm calling for more fist -- -- handshakes I really think he could cut down spread some of those journalists on or what what about Elmo bombs elbows is even better maybe even better but -- he is aware of the ways that -- gets transmitted here every. Cut back on that you may see a little -- -- -- we -- you and I -- -- campaign to make the elbow -- very cool. I think we're getting that I don't know if you're not only -- to -- -- after. Exactly how my kids do not give me much cool -- Hang on the other the other places to live to be careful you've done some great reporting on this. Elevator buttons and Jordan there are lots of places around the -- he -- you can -- -- from surfaces and in so many people. Have to work even if they're sick they don't have that kind of sickly. So you have to be careful in -- -- -- because that's where a lot of germs or are being spread and kids go to school when they're sick which is a horrible habit because of those. Those kind of things we can all makes improvements and keep everybody healthy and not too late to get your flu shot -- thank you definitely now we haven't reached the peak of flu season we have anything -- to march. -- -- --
This transcript has been automatically generated and may not be 100% accurate.