lipitor is backed by over 17 years of research. lipitor is not for everyone, including people with liver problems and women who are nursing, pregnant or may become pregnant. you need simple blood tests to check for liver problems. tell your doctor if you are taking other medications or if you have any muscle pain or weakness. this may be a sign of a rare but serious side effect. i'll never forget what i went through. don't take your health for granted. (announcer) have a heart to heart with your doctor about your risk. and about lipitor. >> pelley: friday, the centers for disease control and prevention said the h1n1 virus is widespread in 48 states. last weekend, the president declared a national emergency. a new vaccine is supposed to save the country from the worst- case scenario, but that vaccine isn't coming as fast as expected and there's lots of skepticism. should you get it? can you get it? is it safe? to find some answers, we went inside the federal government's $3 billion h1n1 vaccine project. this is the first time the pu