ISSN: 1080-6059
Volume 15, Number 9–September 2009
Photo Quiz
Who is this man?
Image courtesy of David M. Morens
Here is a clue: he discovered that epidemic typhus is transmitted by lice. Who is he?
A) Charles-Jules-Henri Nicolle
B) Stanislaus Joseph Matthias von Prowazek
C) Howard Taylor Ricketts
D) Henrique da Rocha Lima
E) Hans Zinsser
Decide first; then click here to continue.
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