Our middle school reviewer, Bay Johnson, shares his video pick of the week. This week he selects Charlie Calisher, a professor of virology who explains why viruses are so hard to control and why we must be vigilant in our fight.

Below, you may watch Bay’s Pick and learn why he has selected Charlie Calisher’s, It’s Complicated video this week.

Click here to watch Bay’s pick.

Watch Charlie Calisher’s It’s Complicated video.

You can find all of Bay’s Pick’s in the pull down “Theme” menu on the Gallery Page or just click on the blue words in this sentence.