dr. anthony fauci, director of the national institute of allergy and infectious diseases. >> if we can successfullynduce a response against that stem part of that protein, we're going to be very close to developing a universal flu vaccine. >> reporter: so, what would that mean for the business of flu shot-makers? it's an estimated $4 billion global market annually. both sanofi pasteur and glaxosmithkline are among those working on universal vaccines. sanofi says the most likely near-term product will be a broadey spectrum vaccine, and glaxosmithkline points out, that market opportunity is one any vaccine-maker would want. >> the first company to make a universal flu vaccine would make a fortune because they would grow the market share in a market that's highly commoditized and charge appropriately a premium for the vaccine and impact public health in a very positive way. we're investing a lot to have that. >> reporter: dr. fauci of the nih says the universal vaccine may be five to ten years away. for "nightly business report," i'm meg tirrell. >> a little chill. to read more about the big business

dr. anthony fauci and homeland security jeh johnson among others.

dr. anthony fauci and homeland security jeh johnson among others. >> welcome back from lunch.ope you enjoyed it. this is our all catholic panel of the day. although we are all catholics last week when the pope was here. i never met so many catholics i didn't know were catholic. and so today i'm going to announce a papal miracle, but after a few minutes into the interview, both of them met the pope. so i'm going to get a little papal dust on me, i hope. and senator markey, which i never call you that, but i want to be formal. i've known ed for about 29 years or so. what was it like? you met the pope, not once in your life, right, but twice? >> i was invited to go to the

dr. anthony fauci and homeland security jeh johnson among others. >> welcome back from lunch. i hope you enjoyed it. this is our all catholic panel of the day. although we are all catholics last week when the pope was here. i never met so many catholics i didn't know were catholic. and so today i'm going to announce a papal miracle, but after a few minutes into the interview, both of them met the pope. so i'm going to get a little papal dust on me, i hope. and senator markey, which i never call you that, but i want to be formal. i've known ed for about 29 years or so. what was it like? you met the pope, not once in your life, right, but twice? >> i was invited to go to the vatican last june to consult with cardinal turkson and cardinal who had been given the responsibility fof drafting. i was invited with a congressman from the philippines, mexico, south africa, to talk about the impacts of climate change, especially on those poorest countries in the world, and then what could be done in order to avoid the worst consequences. so it was a great honor for me to have been invited