This high quality National Public Radio (NPR) produced video on how viruses pick the lock on cells, then hijack them, ought to send every parent to the doctor for their kids’ shot updates.
And, if you don’t get your own flu shot this year, what are you thinking? You wouldn’t leave the doors of your home or car unlocked, would you? Why are you doing this with your body (and the bodies of those you might infect)?
Okay, as the parent of a five and seven-year-old, I’m done preaching and scolding. Check this out:
Prometheus Unbound 