"The more people that get shots, the safer the group will be," says one expert.

Companies who want to make sure their products are in the right place at the right time to capitalize off of flu season are turning to social media.

The week after Labor Day may seem early to be thinking about getting a flu shot, but the shots have been available for a few weeks and drugstore chains like Walgreens and CVS are already offering incentives.

Morgan Stanley is moving its showcase of Asian hedge funds to New York after the event was cancelled in Shanghai last week due to concerns over bird flu, according to Bloomberg News.

As cases of a new strain of bird flu spread across the Shanghai region, fast food chains like KFC are taking a hit to their bottom line.

Flu season is in full swing. Some people take the flu shot, some take time off when they feel under the weather and some still report to work no matter how bad they feel. Dr. Russell Greenfield answers questions about seasonal sickness and debunks some common myths about the flu shot.

The flu kills thousands every year, and public health officials say that everyone over the age of 6 months should get vaccinated. But every few years it seems like there's a run on flu vaccine. To understand why, you need to look at the vaccine market.

Is this a regular flu season or one for the record books? It depends a bit on whether your metric is the official numbers from the Centers for Disease Control and Prevention, or Google. In China, the government is requiring each new home close to necessary infrastructure to get a fiber optic cable hookup.

The flu's now widespread in 47 states.

CDC says bad flu outbreak may cost employers $10 billion in health care costs alone.