Tamiflu

To outsmart influenza, researchers are leveraging the biological information encoded in infection-fighting antibodies to design new drugs. One attempt neutralizes near-lethal levels of flu in mice.

Knowing how to differentiate between symptoms of each can be important, especially if you're at high risk for flu's complications. Influenza can lead to pneumonia, hospitalization and even death.

Researchers are looking to redeploy drugs used for years to treat cholesterol and high blood pressure as remedies for influenza and Ebola.

Flu drugs recommended for vulnerable people, including young children and the elderly, are getting hard to find in some parts of the country, said the Centers for Disease Control and Prevention.