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He knows his pandemics, of course. What's more, the recently retired head of the National Institute of Allergy and Infectious Diseases can identify many birds just by their calls, \u201cwhether it\u2019s a Carolina wren, a rufous-sided towhee, or a white-breasted nuthatch.\u201d I believe he can do this blindfolded! Which isn\u2019t any harder than eyes-open, but still.