Everyone take a deep breath and relax. During these crazy times, people are making all kinds of wild predictions about what drug or vaccine will work. Dr. David Shlaes takes a sobering look at the chances for any of these therapies to work. It's not as easy as you'd think. We should all lower our expectations a bit.
efficacy of vaccines
Every year, the National Institute of Allergy and Infectious Diseases develops a new flu vaccine protecting against several different strains of the flu virus based on predictions made early in the year. The vaccine is usually about 60 percent effective, although effectiveness varies from year to year. According