# 4109
If you want to understand an influenza outbreak, you need to take blood samples from a representative group of the population and check them for antibodies.
If you want to understand why that’s important, you need to listen to an epidemiologist.
I’m not one, but Revere at Effect Measure is.
And today we get a great explanation about what we already know about this flu, and what we hope to learn, from the serological studies that have been done or are underway.
Studying how many are infected with swine flu
Some of my earlier blogs on this subject include:
UK: H1N1 Serology Tests Reveal Significant Asymptomatic Rate
New Zealand To Conduct Seroprevalence Studies
