"And that purified protein is our vaccine, " said Clifton McPherson, the Protein Sciences quality control director.

CNN: King: H1N1 worries increase awareness on college campuses

In the Protein Sciences quality control labs this week, the focus is on testing the company's traditional, seasonal flu shot -- FluBlok -- and making sure all the documents are in line should the FDA and other agencies have any questions.

CNN: King: H1N1 worries increase awareness on college campuses